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iND -iAk ACADEMY OFPEDIATRICS

IAP Textbook on PEDIATRIC ENDOCRINOLOGY

Editor-in-Chief

Vaman Khadilkar

Aijociate Editors

Anurag Bajpai

Hemchand K Prasad

FwirwOfdi

Santosh T Soans

igant D Shastri

IAP Textbook on PEDIATRIC

ENDOCRINOLOGY

IAP Textbook on PEDIATRIC ENDOCRINOLOGY

Vaman MD MRCP (UK) DCH (London) Khadilkar, Senior Pediatric Endocrinologist Jehangir Hospital, Pune and Bombay Hospital, Mumbai Department of Health Sciences Savitribai Phule Pune University

Anurag MD FRACP SCE Bajpai, Senior Consultant Regency Center for Diabetes Endocrinology and Research Kanpur, Uttar Pradesh, India Fortis Memorial Research Institute

Hemchand K MD (Ped) PDCC (Ped Endo) Fellow (Ped Endo, UK) Fellow (Ped Diabetes, USA) Prasad, Consultant Department of Pediatric Endocrinology and Diabetes Mehta Hospital

Santosh T Soans

Digant D Shastri

by Vaman MD MRCP (UK) DCH (London) Khadilkar

by Anurag MD FRACP SCE Bajpai, Hemchand K MD (Ped) PDCC (Ped Endo) Fellow (Ped Endo, UK) Fellow (Ped Diabetes, USA) Prasad, Santosh T Soans, and Digant D Shastri

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IAP Textbook on Pediatric Endocrinology

First Edition: 2019

Printed at

Table of Contents

Contributors

Acknowledgments

Contributors

Aashima Dabas MD

Assistant Professor

Department of Pediatrics

Maulana Azad Medical College

Lok Nayak Hospital

New Delhi, India

Abhishek Kulkarni MD PDCC Visiting Fellowship RCPCH (London)

Head

Department of Pediatric and Adolescent Endocrinology

T2T Hormone Clinics India

Department Coordiantor

SRCC Children's Hospital

Honorary Consultant

Apollo and PD Hinduja and Jaslok Hospitals

Mumbai, Maharashtra, India

Ahila Ayyavoo DCH DNB PhD

Consultant, Department of Pediatric Endocrinology and Diabetes

GKNM Hospital, Coimbatore

Aditi Hospital, Trichy

Tamil Nadu, India

Akanksha Parikh MD DNB

Fellow

Department of Pediatric Endocrinology

Indira Gandhi Institute of Child Health

Bengaluru, Karnataka, India

Alok Sardesai DNB (Ped)

Clinical Assistant

Department of Pediatric and Adolescent Endocrinology

Contributors

T2T Hormone Clinics India

Clinical Fellow

Department of Pediatric and Adolescent Endocrinology

SRCC Children's Hospital

Mumbai, Maharashtra, India

Amarnath Kulkarni MBBS DCH DNB (Ped)

Fellowship in Pediatric and Adolescent Endocrinology (RGUHS)

Senior Consultant

DNB Academic Coordinator

Lotus Hospital

Hyderabad, Telangana, India

Anjana Hulse MRCPCH (UK) MSc Clin (Ped Sc-Endo, UK)

Consultant Pediatric Endocrinologist

Apollo Hospitals

Bengaluru, Karnataka, India

Anju Seth MD (Ped)

Director and Professor

Department of Pediatrics

Lady Hardinge Medical College

Kalawati Saran Children's Hospital

New Delhi, India

Anju Virmani MD (Ped) DNB (Endo)

Senior Consultant

Pediatric Endocrinology

Pentamed and Rainbow Hospitals

Associate Director

Pediatric Endocrinology

Max Hospitals (Saket, Gurugram)

New Delhi, India

Ankita Maheshwari MBBS MD (Ped) PDCF (Ped Endo)

Contributors

ESPE Fellow

Southampton, London, United Kingdom

Anna Simon MBBS DCH MD FRCP (Edin)

Consultant

Department of Pediatric Endocrinology and Metabolism

Professor and Head

Division of Child Health

Christian Medical College

Vellore, Tamil Nadu, India

Anupama Sankaran MD (Ped)

Registrar, Department of Pediatrics

Mehta Multispeciality Hospitals

Chennai, Tamil Nadu, India

Anuradha V Khadilkar MBBS MD DCH

Deputy Director

Hirabai Cowasji Jehangir Medical Research Institute

Jehangir Hospital

Pune, Maharashtra, India

Anurag Bajpai MD FRACP SCE

Senior Consultant

Regency Center for Diabetes Endocrinology and Research

Kanpur, Uttar Pradesh, India

Fortis Memorial Research Institute

Gurugram, Haryana, India

Archana Dayal Arya DNB (Ped)

Post Doctoral Fellowship in Pediatric Endocrinology (USA)

Senior Consultant, Sir Ganga Ram Hospital

New Delhi, India

Ashwin Dalal MD (Ped) DM (Medical Genetics)

Head, Diagnostics Division

Contributors

Centre for DNA Fingerprinting and Diagnostics

Hyderabad, Telangana, India

Aspi J Irani MD DCH

Pediatrician

Nanavati Super Speciality Hospital

Trustee and In-Charge

Juvenile Diabetes Foundation (Maharashtra Chapter)

Mumbai, Maharashtra, India

Benjamin B Albert MB ChB PhD FRACP

Research Fellow

Liggins Institute

University of Auckland

Auckland, New Zealand

Chetankumar Dave MBBS DCh

Fellow Pediatric and Adolescent Endocrinology

Regency Center of Diabetes, Endocrinology and Research

Kanpur, Uttar Pradesh, India

Dhanya Lakshmi Narayanan MD (Ped) DCH DNB (Ped) DM (Medical Genetics)

Assistant Professor

Department of Medical Genetics

Nizam's Institute of Medical Sciences

Hyderabad, Telangana, India

Hari Mangtani MBBS DCH DNB (Ped) PDCC (Ped Endo)

Consultant Pediatric Endocrinologist

Pearl Endocrine Clinic

Nagpur, Maharashtra, India

Visiting Consultant

Shri Shishu Bhavan

Bilaspur, Chhattisgarh

Bal Gopal Hospital

Contributors

Raipur, Chhattisgarh, India

Hemchand K Prasad MD (Ped) PDCC (Ped Endo) Fellow (Ped Endo, UK) Fellow (Ped Diabetes, USA)

Consultant

Department of Pediatric Endocrinology and Diabetes

Mehta Hospital

Chennai, Tamil Nadu, India

IPS Kochar MD (Ped) MAMS (Vienna) MRCPCH (London)

Fellow Pediatric and Adolescent Endocrinology (GOSH London)

Senior Consultant

Pediatric and Adolescent Endocrinologist

Indraprastha Apollo Hospital

New Delhi, India

KG Ravikumar MD FRCPCH (UK)

Consultant Pediatric Endocrinologist

Kanchi Kamakoti Childs Trust Hospital

Chennai, Tamil Nadu, India

Kumar Angadi MBBS MD (Ped) Fellow (Pediatric and Adolescent Endocrinology)

Assistant Professor, Department of Pediatrics

MR Medical College

Consultant Pediatric and Adolescent Endocrinologist

Basaveshwar Teaching and General Hospital

Kalaburagi, Karnataka, India

Leena Priyambada MD PDCC (Ped End)

Rainbow Children's Hospital

Hyderabad, Telangana, India

Leenatha Reddy Jakkidi MRCPCH CCT (UK)

Consultant Pediatric Endocrinologist

Rainbow Children's and Apollo Hospitals

Hyderabad, Telangana, India

M Vijayakumar MD DCH DNB

Contributors

Professor and Head

Department of Pediatrics

Government Medical College

Manjeri, Kerala, India

Madhura K Joshi MBBS DNB (Ped)

Fellowship in Pediatric Endocrinology

Consultant Pediatric Endocrinologist

Jupiter Hospital

Surya Mother and Child Care

Visiting Consultant

Jehangir Speciality Hospital

Pune, Maharashtra, India

Hanumant Hospital

Mahuva, Gujarat, India

Mamta Muranjan MD (Ped) DCH

Additional Professor

Department of Pediatrics

In-Charge

Genetic Clinic, Seth GS Medical College and KEM Hospital, Parel, Mumbai

Consultant in Clinical Genetics

PD Hinduja National Hospital and Medical Research Center Mahim, Mumbai

SRCC Hospital

Mumbai, Maharashtra, India

Medha Mittal MD

Associate Professor

Department of Pediatrics

Chacha Nehru Bal Chikitsalaya

Delhi, India

Nalini Samir Shah MD (Ped) DM (Endo)

Professor Emeritus

Contributors

Seth GS Medical College and KEM Hospital

Mumbai, Maharashtra, India

Neha Agarwal MD

Department of Pediatric Endocrinology

Regency Center for Diabetes Endocrinology and Research

Kanpur, Uttar Pradesh, India

Neha Bhise DNB (Ped) FIAP (Ped Endo)

Pediatric Endocrinologist

Kaushalya Hospital

Currae Hospital

Sushrusha Hospital

KJ Somaiya Hospital

ACE Hospital, Dombivli

Yashonandan Hospital, Kalyan

Mumbai, Maharashtra, India

Nikhil Lohiya DNB

Fellow Pediatric Endocrinology

HCJMRI and Jehangir Hospital

Pune, Maharashtra, India

Palany Raghupathy MD DCH FRCP

Professor

Department of Pediatric Endocrinology

Indira Gandhi Institute of Child Health

Bengaluru, Karnataka, India

Parvathy L MBBS DCH MD (Ped)

Fellowship in Pediatric and Adolescent Endocrinology

Consultant

Department of Pediatric Endocrinology

Aster Medcity

Kochi, Kerala, India

Contributors

Poovazhagi Varadarajan MD DCH PhD

Professor

Department of Pediatrics

Government Stanley Medical College

Chennai, Tamil Nadu, India

Prachi Bansal MD (Ped) DM (Endo)

Senior Resident

Department of Endocrinology

Seth GS Medical College and KEM Hospital

Mumbai, Maharashtra, India

Prashant P Patil MD PDCC (Ped Endo) ESPE Fellowship (Liverpool, UK)

Consultant Pediatric Endocrinologist

SRCC NH Children's Hospital, Haji Ali

Jaslok Hospital

Mumbai, Maharashtra, India

Preeti Singh MD (Ped)

Assistant Professor

Department of Pediatrics

Lady Hardinge Medical College

Kalawati Saran Children's Hospital

New Delhi, India

(Lt Col) Priscilla Joshi MD (Radiodiagnosis)

Professor and Head

Department of Radiodiagnosis

Vice-Principal (PG Academics)

Bharati Vidyapeeth (Deemed to be University)

Medical College and Hospital

Pune, Maharashtra, India

Purna Kurkure

Chairman

Contributors

Clinical Collegium for Oncology Services, Narayana Health Group

Head, Division of Pediatric Hemato-Oncology and BMT

SRCC Children's Hospital, Managed by Narayana Health

Mumbai, Maharashtra, India

Rahul Jahagirdar MD PDCC (Ped Endo) ESPE Fellowship (Liverpool, UK)

Professor and Pediatric Endocrinologist

Bharati Vidyapeeth University Medical College

Pune, Maharashtra, India

Raja Padidela MD (Ped) DNB (Ped) MRCPCH MD (Research)

Consultant Pediatric Endocrinologist and Metabolic Bone Diseases

Department of Pediatric Endocrinology

Royal Manchester Children's Hospital

Manchester University NHS Foundation Trust

Manchester, England, United Kingdom

Rajesh Khadgawat MD DM DNB MNAMS

Professor

Department of Endocrinology and Metabolism

All India Institute of Medical Sciences

New Delhi, India

Rakesh Kumar MD Fellowship (Ped Endo)

Professor, Pediatric Endocrinology and Diabetes Unit

Department of Pediatrics

Advanced Pediatrics Centre

Post Graduate Institute of Medical Education and Research (PGIMER)

Chandigarh, Punjab, India

Riaz I MBBS DCH DNB (Ped)

Fellowship in Pediatric and Adolescent Endocrinology

Associate Professor

Department of Pediatrics

In-Charge, Pediatric Endocrine Clinic and Diabetes Clinic

Contributors

SAT Hospital

Government Medical College

Thiruvananthapuram, Kerala, India

Riddhi Patel MD (Ped)

Fellow in Pediatric and Adolescent Endocrinology

Center for Diabetes and Endocrinology Research

Regency Healthcare

Kanpur, Uttar Pradesh, India

Ruchi Nadar DNB (Ped) MRCPCH Fellowship in Pediatric Endocrinology (Pune)

Clinical Fellow in Pediatric Endocrinology

Birmingham Children's Hospital

Birmingham, England, United Kindom

Ruchi Parikh MBBS DNB (Ped) Fellowship (Ped Endo)

Consultant Pediatric Endocrinologist

Division of Pediatric Endocrinology

Bai Jerbai Wadia Hospital for Children, Mumbai

Comprehensive Thalassemia Care

Pediatric Hematology-Oncology and Bone Marrow Transplantation Centre

SRCC Children's Hospital

Surya Children Hospital

Mumbai, Maharashtra, India

Ruchira Misra MBBS DCh DNB (Ped) FRAH

Consultant

Division of Pediatric Hematology–Oncology and BMT

SRCC Children's Hospital, Managed by Narayana Health

Mumbai, Maharashtra, India

Ruma Deshpande MD (Ped) PDCC

Assistant Professor and Pediatric Endocrinologist

Bharati Vidyapeeth Medical College

Pune, Maharashtra, India

Contributors

Sandhya Kondpalle DNB (Ped) PDCF (Ped Endo)

Pediatric Endocrinologist

Manik Hospital

Aurangabad, Maharashtra, India

Sangeeta Yadav MD FIAP

Director Professor

Department of Pediatrics

In-Charge

Pediatric and Adolescent Endocrinology

Maulana Azad Medical College

University of Delhi

New Delhi, India

Sanjana Dey MBBS

Honorary Clinical Fellow

Department of Pediatrics

Apollo Gleneagles Hospital

Kolkata, West Bengal, India

Santhosh Olety MBBS DCH MRCPCH CCST ([UK)

SCE in Endocrinology and Diabetes (FRCP, ABCD and the Society for Endocrinology, UK)

Consultant Pediatric and Adolescent Endocrinologist

Karnataka Institute of Endocrinology and Research

White Lotus Healthcare

Cloudnine Kids Hospital

Fortis Hospital

Bengaluru, Karnataka, India

Sarah Mathai DCH DNBE (Ped) PhD

Professor, Department of Pediatrics

Christian Medical College

Vellore, Tamil Nadu, India

Saurabh Uppal MD (Ped) MRCPCH (UK)

Contributors

Fellowship in Pediatric Endocrinology

Manipal Advanced Children Centre, Bengaluru, Karnataka, India

ESPE Fellowship in Pediatric Endocrinology

Alder Hey Children's Hospital, Liverpool, UK

Consultant Pediatric Endocrinologist

Endo-Kidz Centre for Growth, Diabetes and Hormones for Children

Jalandhar, Punjab, India

Senthil Senniappan MD MRCPCH FRCPCH MSc (Diab) PhD

Consultant Pediatric Endocrinologist and Honorary Senior Lecturer

Alder Hey Children's Hospital

Liverpool, England, United Kingdom

Shaila S Bhattacharyya MD DCH DM MRCP

Professor

Department of Pediatrics and Pediatric Endocrinology

Shivajoyti, Indiranagar

Manipal Hospital

Bengaluru, Karnataka, India

Shalmi Mehta MD (Ped, Gold Medalist)

Department of Pediatric Endocrinology

Hospital for Sick Children, Toronto

Consultant Pediatric Endocrinologist

Endokids Clinic

Ahmedabad, Gujarat, India

Sirisha Kusuma Boddu MBBS MD

Fellow in Pediatric Endocrinology

Consultant Pediatric Endocrinologist

Rainbow Children's Hospital

Hyderabad, Telangana, India

Smita Koppikar MBBS DNB (Ped) MRCPCH CCT (UK)

Contributors

Consultant Pediatric Endocrinologist

Department of Pediatrics

Sir HN Reliance Foundation Hospital

Mumbai, Maharashtra, India

Smita Ramachandran MD (Ped)

Fellow

Pediatric and Adolescent Endocrinology

Indraprastha Apollo Hospital

New Delhi, India

Subrata Dey MD DCH DNB MRCP (UK)

Fellowship in Pediatric Endocrinology (USA)

Academic Head and Director, DNB Pediatrics Program

Department of Pediatrics

Senior Pediatric Endocrinologist

Apollo Gleneagles Hospital

Kolkata, West Bengal, India

Sudha Rao MD

Professor and Chief

Division of Pediatric Endocrinology

Bai Jerbai Wadia Hospital for Children

Jupiter Hospital

Tata Memorial Hospital

Mumbai, Maharashtra, India

Supriya Gupte MD Fellowship (Ped Endo) ESPE Fellow (UK)

Consultant, Deenanath Mangeshkar Hospital

Honorary Consultant, DY Patil Medical College

Pune, Maharashtra, India

Thakur Vikrant Anand Singh MD (Ped)

Fellowship in Pediatric and Adolescent Endocrinology (RGUHS)

Assistant Professor and Consultant

Contributors

Pediatric and Adolescent Endocrinologist

Muzzaffarnagar Medical College

Muzzaffarnagar, Uttar Pradesh, India

Tushar Godbole MBBS DCH DNB (Ped) PDCC

Fellow in Pediatric Endocrinology

Director, Harmony Health Hub

Assistant Professor, Dr Vasantrao Pawar Medical College

Nashik, Maharashtra, India

V Shobi Anandi MD (Ped)

Fellowship in Pediatric Endocrinology

Consultant Pediatric Endocrinologist

Sri Ramakrishna Multi Speciality Hospital

Coimbatore, Tamil Nadu, India

Vaman Khadilkar MD MRCP (UK) DCH (London)

Senior Pediatric Endocrinologist

Jehangir Hospital, Pune and Bombay Hospital, Mumbai

Department of Health Sciences

Savitribai Phule Pune University

Pune, Maharashtra, India

Vandana Jain MD

Professor and In-Charge, Pediatric Endocrinology Division

Department of Pediatrics

All India Institute of Medical Sciences

New Delhi, India

Vasundhara Chugh MD Fellowship in Pediatric Endocrinology

Fellow

Sir Ganga Ram Hospital

New Delhi, India

Veena H Ekbote MSc PhD Research Officer

Contributors

Hirabai Cowasji Jehangir Medical Research Institute

Jehangir Hospital

Pune, Maharashtra, India

Veena V Nair MD DCH PDCC (Ped Endo)

Consultant Pediatric and Adolescent Endocrinologist

Ananthapuri Hospitals and Research Institute

Thiruvananthapuram, Kerala, India

Vijaya Sarathi HA MD (Ped) DM (Endo)

Associate Professor

Department of Endocrinology

Narayana Medical College

Nellore, Andhra Pradesh, India

Wayne Cutfield MB ChB MD FRACP

Professor, Pediatric Endocrinology

Liggins Institute

University of Auckland

Auckland, New Zealand

Yeshwant Krishna Amdekar MD DCH FIAP

Medical Director

BJ Wadia Hospital for Children

Mumbai, Maharashtra, India

Yuthika Sharma MD

Fellowship in Pediatric and Adolescent Gynecology (RCH, Melbourne Australia)

Consultant and Head, Department of Reproductive Medicine and IVF

Regency Healthcare, Kanpur, Uttar Pradesh, India

Foreword

Endocrine system plays a critical role in physical and mental development, especially during the delicate antenatal and postnatal period as well as during adolescence. During these periods, the body undergoes major transformations in its journey from fetus to adult. Where any problem is detected, timely treatment is essential to gain better control over its progression. Hence, the practising pediatrician should be well equipped with knowledge regarding the endocrinal issues that normally affect children. This textbook of pediatric endocrinology introduces the students of pediatrics, be it undergraduate, postgraduate or DM to this vast subject with depth and clarity. This is the first textbook in the field of endocrinology to be specially commissioned by the Indian Academy of Pediatrics (IAP) and it reflects the growing importance of this field in general practice.

First and foremost, I wish to congratulate Dr Vaman Khadilkar who took on this project almost single handed and has been able to bring out the book within the time limit which is highly appreciable. I also thank Dr Anurag Bajpai and Dr Hemchand K Prasad for taking up the onerous task of compiling this book and enthusiastically pursuing this project to fruition. They have envisioned a comprehensive coverage of endocrinology in this book with Indian focus and perspective in mind. I am also glad to see that a large number of experts in this field have contributed chapters and made this into a genuine team effort.

An organization can thrive only when it is focused on its core purpose. I have spent the better part of my presidential tenure to renew IAP's focus on academics. The IAP has a long-standing track record of outstanding academic activity. The IAP Endocrinology Chapter has been at the forefront in bringing out various guidelines and growth charts which are known throughout the globe. The IAP can be reinvigorated only when we continue to produce academic output of excellent quality. This textbook is a step forward in that direction. I wish to convey the academy's gratitude to all those who have been involved in this effort, chiefly the editors and contributors for giving life to IAP's vision for emerging as a professional organization of repute.

I wish the reader a fruitful reading experience.

Foreword

It gives me sense of honor and pleasure to write the Foreword for the IAP Textbook on Pediatric Endocrinology.

In earlier time in India, there was a handful of institutions where children with endocrine problems were managed and probably for getting trained in this subspecialty, one had to go out of country. But, in the last few years, pediatric endocrinology has emerged as an important subspecialty with many institutions not only offering treatment to children with endocrine problems but also train students in this subspecialty. In view of country-specific medical problems and difficulties associated with its management within the available resources, it will be imperative to have a textbook written by local experts who not only know the problems but also have developed alternative indigenous management system.

Keeping this in mind, the Indian Academy of Pediatrics (IAP) decided to come out with the first ever edition of IAP Textbook on Pediatric Endocrinology, which will be useful to pediatric endocrine trainees as well as to practicing pediatricians. The text will surely prove to be useful to DM endocrine students who have special interest in pediatric endocrinology.

The book covers almost all aspects of pediatric endocrinology, growth disorders and diabetes in children. This book is enriched with flowcharts, diagrams, photographs and guidelines.

My sincere compliments and congratulations to all the authors, who as a part of their sincere efforts to disseminate the knowledge have contributed chapters for this prestigious publication. I congratulate the entire editorial board lead by Dr Vaman Khadilkar, Dr Anurag Bajpai and Dr Hemchand K Prasad, for their untiring efforts to bring out this book.

I am sure that this book will be popular amongst the postgraduate students, teaching faculties as well as practicing pediatricians. I wish this landmark publication great success.

Digant D Shastri

President

Indian Academy of Pediatrics, 2019

Preface

Pediatric endocrinology has taken major strides in the last few years in our country and many institutions have started fellowship training courses in pediatric endocrinology in the last decade. Keeping this in mind, the Indian Academy of Pediatrics (IAP) decided to have a Textbook on Pediatric Endocrinology for the first time this year which will be of use to pediatric endocrine trainees as well as to practicing pediatricians. The text will also be useful to DM endocrine students who have special interest in pediatric endocrinology. Postgraduates in pediatric training will also benefit from the basics written at the beginning of each chapter. Although there are many books written in the recent times on pediatric endocrinology in India, this text is specifically written with the perspective of pediatric endocrinology practice in India and the chapters include many protocols in pediatric endocrinology published by the Indian Academy of Pediatrics. This textbook also includes dynamic endocrine stimulation tests and synopsis of commonly used drugs in pediatric endocrinology. At the end of each chapter, there is a comprehensive bibliography to expand readers’ knowledge beyond this book.

The book covers almost all aspects of pediatric endocrinology, growth disorders and diabetes in children. This book is enriched with flowcharts, diagrams, photographs and guidelines.

Vaman Khadilkar

Anurag Bajpai

Hemchand K Prasad

Acknowledgments

The journey of writing this book has given us great opportunity to learn, interact with colleagues and friends from India and abroad and we are very grateful to all the contributors who have tended the midnight wick to complete their responsibilities despite very tight timelines. Finally, we would like to thank Shri Jitendar P Vij (Group Chairman), Mr Ankit Vij (Managing Director), Mr MS Mani (Group President), and the staff of M/s Jaypee Brothers Medical Publishers (P) Ltd, New Delhi, India, who have worked endlessly to take this work to completion in a very able and professional manner.

Prelims i-xxiv

Chapter-01 Hormone Physiology 1-20

Chapter-02 Role of Genetics in Pediatric Endocrinology 21-26

Chapter-03 Clinical Pointers in Endocrine Disorders that may be Easily Overlooked by General Pediatricians 27-32

Chapter-04 Normal Growth 33-50

Chapter-05 Endocrine Regulation of Growth 51-54

Chapter-06 Growth Retardation 55-67

Chapter-07 Hypopituitarism and Disorders of GH-IGF-1 Axis 68-78

Chapter-08 Growth Hormone Therapy 79-84

Chapter-09 Skeletal Dysplasias and Other Syndromes Associated with Short Stature 85-103

Chapter-10 Tall Stature and Overgrowth Syndromes 104-108

Chapter-11 Physiology of Puberty 109-118

Chapter-12 Precocious Puberty 119-129

Chapter-13 Delayed Puberty 130-137

Chapter-14 Turner Syndrome 138-144

Chapter-15 Gynecomastia 145-147

Chapter-16 Polycystic Ovarian Syndrome 148-151

Chapter-17 Gynecological Disorders in Children and Adolescents 152-168

Chapter-18 Thyroid Gland: Embryogenesis, Physiology and Function 169-174

Chapter-19 Biochemical Evaluation of Thyroid Function 175-177

Chapter-20 Thyroid Disorders in Newborn and Infancy 178-188

Chapter-21 Juvenile Hypothyroidism 189-193

Chapter-22 Approach to Goiter 194-201

Chapter-23 Hyperthyroidism 202-205

Chapter-24 Thyroid Nodules and Thyroid Cancer 206-208

Chapter-25 Physiology of the Adrenal Gland 209-217

Chapter-26 Adrenal Function Tests 218-221

Chapter-27 Congenital Adrenal Hyperplasia 222-232

Chapter-28 Adrenal Insufficiency Disorders in Children 233-241

Chapter-29 Adrenal Hyperfunction 242-250

Chapter-30 Endocrine Hypertension in Children 251-260

Chapter-31 Embryology and Physiology of Normal Sexual Development 261-266

Chapter-32 Disorders of Sexual Development 267-272

Chapter-33 Physiology of Osmotic and Volume Regulation 273-281

Chapter-34 Syndrome of Inappropriate Antidiuretic Hormone Secretion in Children 282-285

Chapter-35 Central Diabetes Insipidus 286-293

Chapter-36 Nephrogenic Diabetes Insipidus 294-298

Chapter-37 Renal Tubular Acidosis 299-305

Chapter-38 Electrolyte Disorders 306-324

Chapter-39 Physiology of Calcium, Phosphorus, and Vitamin D Metabolism 325-331

Chapter-40 Evaluation of Children with Bone Disorders— Biochemistry, Radiology Including Dual-Energy X-ray Absorptiometry and Peripheral Quantitative Computed Tomography 332-337

Chapter-41 Neonatal Calcium and Phosphorus Disorders 338-346

Chapter-42 Disorders of the Parathyroid Gland 347-358

Chapter-43 Metabolic Bone Disease in Children Including Rickets 359-374

Chapter-44 Autoimmune Polyglandular Syndromes 375-380

Chapter-45 Hypoglycemia in the Newborn 381-390

Chapter-46 Hypoglycemia in an Older Child 391-396

Chapter-47 Neonatal Diabetes Mellitus 397-408

Chapter-48 Type 1 Diabetes Mellitus 409-452

Chapter-49 Pediatric Type 2 Diabetes Mellitus 453-458

Chapter-50 Maturity Onset Diabetes of the Young and Other Monogenic Forms of Diabetes 459-466

Chapter-51 Lipid Disorders in Children 467-476

Chapter-52 Childhood Obesity and Metabolic Syndrome 477-504

Chapter-53 Children Born Small for Gestational Age: Metabolic and Endocrine Sequelae 505-514

Chapter-54 Systemic Disease 515-526

Chapter-55 Endocrine Tumors in Children 527-536

Chapter-56 Laboratory Assessment of Endocrine Disorders 537-552

Chapter-57 Protocols for Dynamic Tests in Pediatric Endocrine Practice 553-568

Chapter-58 Bone Age Assessment in Pediatric Endocrinology 569-580

Chapter-59 Imaging in Pediatric Endocrine Disorders 581-600

Chapter-60 Drugs in Pediatric Endocrinology 601-608

chemicals, such as leptin, C terminal natriuretic peptide, and ghrelin that act distant from their source of production, qualify to be classified as hormones.

WHAT IS AN ENDOCRINE ORGAN?

An endocrine organ comprises a group of hormone-producing cells. Conventionally, the term endocrine gland has been reserved to classical glands, such as pituitary, adrenal, thyroid, pancreas, gonads, and parathyroid glands. The concept of endocrine organs has also evolved with increasing understanding. Thus, duodenum that produces GLP1 in response to ingestion of food causing insulin release from pancreas represents an endocrine organ. Using this concept, it is easy to conceptualize previously inert organs, such as adipose tissue (leptin), stomach (ghrelin), bone (osteocalcin), skin (vitamin D), and kidney (renin) as endocrine organs.

WHAT ARE THE ROLE OF HORMONES?

Hormones affect every phase of life. They are key regulators of growth and pubertal development, reproduction, fluid, salt, glucose, and calcium homeostasis. Importantly they link metabolism with nutritional and environmental status. Hormone systems act in concert to achieve the homeostasis.

WHAT MAKES PEDIATRIC ENDOCRINOLOGY UNIQUE?

The complexities of hormone physiology are accentuated by dramatic changes in children and adolescents. This has significant implications on pathophysiology, assessment, and treatment. Physiological variations for an age become pathological for the other. Thus, luteinizing hormone (LH) level of 0.1 mU/L is low for an infant, normal for a child, and low for a 15-year-old boy. Understanding of interplay between physiology and pathology is essential.

HOW HAS EVOLUTION PROGRAMMED THE ENDOCRINE SYSTEM?

Evolution has a major role in guiding the metabolic pathway and hormone action. During most of evolution, humans have faced scarcity of food, warmth, water, salt, and calcium. The endocrine system has evolved to conserve these with limiting regulation of

4

overexposure (Fig. 1.1). Thus, while there are four hormones to increase glucose [growth hormone (GH), epinephrine, glucagon, and cortisol], only one hormone counters hyperglycemia (insulin). Same is true for sodium [major role of sodium conserving renin–angiotensin–aldosterone system (RAAS) and minor role of salt losing atrial natriuretic peptide (ANP)], calcium [predominant role of hypercalcemic parathyroid hormone (PTH) and calcitriol and minor role of hypocalcemic calcitonin], and fluid [key role of fluidconserving arginine vasopressin (AVP) and minor role of fluid losing ANP]. Unfortunately, all the gains of biological evolution over thousands of years have been overridden by rapid industrial evolution that has turned the tables from deficiency to excess. When faced with excess water, salt, glucose, and calcium, humans are predisposed to develop hypertension, diabetes, and hypercalcemia due to weak defense mechanisms. This forms the basis of most modern noncommunicable diseases.

HOW DO HORMONES INTERACT WITH EACH OTHER?

Synergy and antagonism of hormones is essential for homeostasis. Hormones demonstrate pleiotropy (one hormone acting on multiple systems) and redundancy (many hormones with same action). They also interact with each other to stimulate or inhibit actions. This is exemplified by the combined effect of GH, thyroxine (T4), and estrogen on growth plate. Sodium and fluid homeostasis is maintained by collective actions of vasopressin, aldosterone, and ANP. PTH and calcitriol act in concert to increase calcium levels by increasing intestinal absorption, renal reabsorption, and skeletal resorption. This redundancy prevents development of deficiency with isolated defect in one hormone system. Moreover, same process is regulated by different hormone systems over agegroups. Thus, linear growth is controlled by insulin-like growth factor (IGF)1 in the fetal period, T4 in infancy, GH in childhood, and sex steroids in puberty. This forms the basis of age-specific differences in etiology of growth failure. Hypothalamic–pituitary axis controls most endocrine glands. Hypothalamic hormones control secretion of their counterpart pituitary hormones [thyrotropin-releasing hormone (TRH)–thyroid-stimulating hormone (TSH), corticotropin-releasing hormone (CRH)–adrenocorticotropic hormone (ACTH), gonadotropin-releasing hormone (GnRH)–LH/follicle-stimulating hormone (FSH), GHreleasing hormone (GHRH)–GH, and Dopamine–Prolactin].

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without those within being able to retaliate. Breaches were made, and through these the Castilian chivalry rushed to the assault, driving before them up the streets the diminished garrison. At length a knight, more intrepid than the rest, leaping from roof to roof along the low white houses, planted his banner on the principal mosque. His action completed the enemy’s despair; and on Ferdinand’s offer of generous terms the inhabitants surrendered.

Had they known it, even while they bargained, help was on the way; for Hamet “El Zegri,” driving before him the herds of MedinaSidonia, was returning across the mountains, when the sound of distant cannon and falling masonry caused him and his men to put spurs to their horses. It was nightfall when they arrived in the neighbourhood of Ronda, and descending from the mountains, sword in hand, attacked the sleeping camp. Up and down the precipitous slopes the battle raged, but, fierce as each onslaught proved, the Castilians beat it back; and “El Zegri,” at length acknowledging his defeat, withdrew in sullen fury. Ronda had fallen, and the western frontier of the Moorish kingdom was in Christian hands.

Such a loss did not help to rebuild Muley Hacen’s military reputation; indeed there was murmuring in Granada that no land could prosper whose ruler was almost in his dotage, unable either to lead his armies or to cope with the work of government. Things would have been different, if only their King had been a hero like his brother Abdallah “El Zagal,” “the Valiant.”

Muley Hacen, both weary of war and intrigue and terrified lest the populace in their anger should clamour for his death, hastily abdicated; whereupon El Zagal, who had only been awaiting a favourable opportunity to seize the throne, hurried to the capital. Fortune threw a glamour over his advent; for, as he passed through the Sierra Nevada, he surprised by chance a body of Christian knights enjoying a halt in one of the fertile valleys. These were Knights of the Order of Calatrava, sent out from Alhama to forage for the garrison; but the success of their raid had rendered them careless, and no sentry warned them of the enemy’s approach. Dismounted and scattered, some without arms, and none fully prepared, they broke before the thunder of the Moorish cavalry; and

“El Zagal” and his men entered Granada with a train of captives and the heads of those whom they had slain hanging from their saddles.

It was an omen to delight the patriotic; but the new Sultan’s peace of mind was soon rudely shaken, for Muley Hacen died within the year, and rumour at once connected his sudden end with the brother who had usurped his power. Boabdil also, from his refuge at Cordova, declared himself the undoubted King of Granada now that his father was no more, and the sovereigns, who saw their way to fomenting new discord amongst their enemies, instantly offered him any assistance in their power.

Boabdil, Abdallah “El Chico” “the Young,” as he was often called to distinguish him from his rival Abdallah, “El Zagal,” could count as well on the support of many Moorish families who hated and feared his uncle; and though on the whole the chances of the duel were against him, yet the issue was sufficiently doubtful to make both parties willing to compromise. In the end a treaty of partition was signed. By this “El Zagal” kept the seaboard with the important towns of Almeria, Malaga, and Velez, the mountainous tract of the Alpujarras famous for its warriors, and half the town of Granada with the palace of the Alhambra. To Boabdil were left the Alcazaba and poorer quarter of the city, with all the northern part of the kingdom adjoining Andalusia.

Delighted to be once more sovereign in his own land, the young Sultan sent to inform his Christian patrons of the settlement he had made, begging them in virtue of his submission to spare his territories in their future invasions. Such a concession was far from Ferdinand’s thoughts; and he replied by denouncing his vassal as a traitor who had perfidiously allied himself with the open enemies of Castile. At the same time he and his army advanced on Loja, one of the few important towns that had been left to Boabdil, and whose possession the Christians had long desired in order to establish easy communication with their outpost of Alhama.

The unfortunate Abdallah “El Chico,” victim alike of craft and circumstances, collected his Moorish supporters and sallied out to the relief of his city with what show of scorn and defiance he could muster, hoping by personal bravery to triumph over those whose skill and cunning he had learned to dread. The ensuing combat, according to the chronicles, was marked on both sides by striking

deeds of valour, but perhaps the honour of the day rested, amongst the Christians at least, with an English noble, who had lately joined in the crusade with some four hundred foot-soldiers of his nation, armed with bows and axes.

This knight, called by his Spanish allies the “Conde de Escalas” from his family name of Scales, finding the scope for cavalry action too restricted for his taste, dismounted and led his men to an assault on the walls of Loja. He was already mounting a ladder, when a stone well-aimed from above caught him full on the face, hurling him to the ground, and he was with difficulty extricated and carried to his tent. Here it was discovered that the blow had deprived him of two of his front teeth, a loss likely to disturb the equanimity of a cavalier of fashion however courageous. The Conde de Escalas nevertheless rose to the occasion; and when the King, going to visit him during his convalescence as a mark of favour, condoled with him on what he had suffered, he replied cheerfully: “God Who hath made this building, my body, hath but opened a door, that He may the more clearly see what passeth within.” Rewarded for his assistance and valorous deeds by rich gifts he departed not long afterwards to his own land.

Of the Moors, both Boabdil and his principal general, Hamet “El Zegri,” were wounded, and after negotiations with the young Gonsalvo de Cordova on behalf of the Christians, consented to the capitulation of Loja on the 29th of May, 1486. The terms were sufficiently humiliating to punish Boabdil well for his supposed perfidy; for he agreed to surrender his title “King of Granada” and to become merely Duke of Guadix, with the lordship of that town, if within six months he or his Christian allies should succeed in wresting it from his uncle. On the latter he promised to make unceasing war. In contrast to this severity, the inhabitants of Loja were allowed to depart where they would, carrying with them their movable property.

The capture of the famous “Flower among the Thorns” opened up a way into the heart of Granada, of which the Christians were not slow to take advantage, its possession being quickly followed by the reduction of several Moorish fortresses of minor importance. To the camp before Moclin, one of these strongholds, came the Queen

herself to share in the triumph of her army, and with her the Infanta Isabel, now a Princess of marriageable age.

The Curate of Los Palacios has described the scene of her arrival with a minute attention to detail that would have made his fortune as a modern journalist of fashions. From him we know the exact costumes worn, not only by the Queen and her daughter, but by Ferdinand and the young English Conde de Escalas who rode in his train, while we are given a curious little picture of the formal greeting between husband and wife.

Before they embraced, they bent low each of them three times in reverence, and the Queen took off her hat, so that she remained in her coif with her face uncovered; and the King came to her and embraced her and kissed her on the cheek. Afterwards he went to his daughter and embraced and kissed her also, making the sign of the cross in token of his blessing.

Isabel remained with the Christian forces for the rest of the campaign; while in the following spring she and Ferdinand collected a new army at Cordova, mainly recruited from the levies of Andalusia. It was their intention to attack the town of Velez-Malaga, now left high and dry, but then a flourishing seaport, situated at the extremity of a long ridge of mountains stretching down to the Mediterranean. Its capture would not only lay bare the fertile valley to the west, but would also insert a hostile wedge between the important city of Malaga some five miles distant and the capital, where El Zagal maintained his uneasy throne.

The relations between the rival Sultans had not been improved by the capitulation of Loja; and soon afterwards an unsuccessful attempt on the part of the uncle to poison his nephew had led to renewed struggles in Granada itself. Boabdil, in his eagerness for revenge had appealed to Ferdinand for help; but the commander of the Christian troops sent to the scene of action, while pretending to lend support, contented himself with fomenting the discord that he found, thus encouraging the “King of the Alhambra” and the “King of the Albaycin” to work their mutual destruction.

When the news came that the Christian army had pitched its camp before Velez-Malaga, bringing with it all its heavy guns, “El Zagal”

was torn with indecision. To go to the assistance of the besieged was to leave his palace of the Alhambra exposed to Boabdil’s attack; to stay was to sacrifice an important harbour, besides losing his popularity with the inhabitants of Granada, who looked to him for the deeds of valour befitting his name. His choice was that of the warrior; and the despairing inhabitants of Velez-Malaga who were on the point of surrender rejoiced to see the mountains lit up with bonfires, warning them of their Sultan’s approach. The Christians on their part were fully prepared to defend their camp; the bravest of their chivalry under the Marquis-Duke of Cadiz opposed themselves again and again to the Moorish onslaughts, until “El Zagal” was beaten back in confusion from Velez-Malaga as Hamet “El Zegri” had been from Ronda.

The capitulation of the town followed at the end of April, 1487; and then the Christian army pushed forward to Malaga, a port famous for its commerce from the days of Phœnician traders. The enthusiasm of the troops was raised to white heat by success and by the personal bravery of Ferdinand, who, on one occasion during the late siege, seeing a company of Castilians about to retreat, had hurled himself on the enemy armed only with his breastplate and sword. On the remonstrances of his generals, who besought him in future to remember what his death would cost them, he replied: “I cannot see my men in difficulties and not go to their aid.” It was an answer more likely to endear him to Castilian hearts than any act of legislation.

The courage that inspired the Christians was not lacking in Malaga, where the fierce Hamet “El Zegri” and his garrison had pledged themselves to starve rather than yield. The fire of the heavy lombards, disembarked from the Castilian ships and pointed on the Moorish towers and ramparts, was answered by cannon equally deadly in their aim; the mines planted deep behind trenches were met by counter-mines; the Christian raids on the suburbs by midnight sallies of such unexpected ferocity that often massacre ensued, until reinforcements at length drove the invaders back to their walls.

The summer months passed slowly; and hunger and pestilence added their gaunt spectres to the sufferings of the besieged. In vain Ferdinand, courting a speedy surrender, sent messengers to offer generous terms, such as he had granted at Ronda and Loja; in vain

he threatened the alternative of slavery in case of prolonged resistance; in vain the more peace-loving citizens pleaded with their governor to accept a settlement that would save the prosperity of their port. Hamet “El Zegri” returned a scornful refusal. Soon, he declared the rainy season would begin, and the Christian camp would be turned into a swamp, fit breeding-ground for death in all its forms. Malaga had only to hold firm to triumph. What matter if the victory cost her the ruin of her commerce? It was a question to which garrison and merchants returned a different answer.

In the meanwhile Isabel had appeared in person at the Christian camp, not, as the Moors expected, to persuade her husband to raise the siege, but to second his efforts. Her presence was heralded by the fire of all the guns at once, a thunder that shook Malaga to its foundations and filled Castilian hearts with pride. Fanaticism was now to play its part in the history of the siege, persuading Hamet “El Zegri” and his supporters of divine interposition, when all human aid had failed them. Their first would-be saviour was a certain Abraham “El Gerbi,” a dervish of holy life imbued with a hatred of the Christians. This man, gathering to his standard some four hundred warriors of Guadix, whom he had inspired with the belief that he was protected by the angels of Mahomet, led them to an attack on the camp before Malaga. Had his efforts ended here the incident would have been speedily forgotten, for in spite of its bravery the band of fanatics was too small to create more than a momentary panic. Abraham “El Gerbi,” however, was captured alive. No one suspected in that saintly face and wasted form the man who had planned the mad expedition; and when the old dervish declared himself a prophet, and begged for an interview with the King and Queen that he might explain how Malaga could be taken, the Marquis-Duke of Cadiz led him at once to headquarters.

There was some delay in seeing the sovereigns, so the prisoner was made to wait in a neighbouring tent, where a Portuguese Prince, Don Alvaro, a cousin of the Queen, and Beatriz de Bobadilla, Marchioness of Moya, were playing chess. Unable to understand Castilian, the dervish believed the players the object of his fanatical hatred, and, drawing a knife he had concealed in the folds of his cloak, he attacked the Prince, wounding him in the head. Next he hurled himself on the Marchioness of Moya, but before he could achieve his

purpose the swords of those standing by had ended his life. That night the body of Abraham “El Gerbi” was hurled by Christian catapults into the Moorish town.

It would seem as if Malaga’s faith in dervishes might have been shaken; but a new prophet shortly appeared, this time within the city, pledging himself by a certain sacred banner to bring victory to Moorish arms. His preaching, seconded by Hamet “El Zegri’s” fiery patriotism, stirred the flagging energy of the besieged to a more desperate sally than any that had yet been made. Out of the city they poured, the white standard floating at their head, and before this unexpected avalanche of spears and scimitars the Christians for the moment quailed; the next, their courage returning, they closed upon their foes from all sides. The battle wavered, then a stone from a catapult struck the dervish prophet down, and with a shout of triumph the Christians saw the sacred banner fall and drove back the Moors, routed and dismayed, within the walls of Malaga.

The city was doomed. Even Hamet “El Zegri” acknowledged this, and leaving the citizens to their fate, withdrew with some of his warriors into the fortress of the Gibralfaro; but the offers of peace and safety he had before derided could be no longer claimed. Fanaticism had left its mark also on the Christian camp; and amongst the Castilian soldiery the enemy’s entreaties for life and freedom were met by threats of a general massacre.

Since hunger and not goodwill prompts you to the surrender of your city [said the Chief Commander, of Leon, replying to an embassy from Malaga], either defend yourselves or submit to whatever sentence shall be pleasing to the King and Queen; to wit, death to those for whom it is destined, slavery to those for whom slavery.

It was a bitter answer; and only sheer necessity drove Malaga to a submission from which she could hope so little. Amid fear and wailing, the capitulation was signed, and on August 20th, the sovereigns made their triumphal entry into the city. Hamet “El Zegri” still withstood their power in the Gibralfaro, but treachery amongst his garrison at length led to his betrayal, and the whole of Malaga lay at the Christian mercy. Its renegades, where they were discovered, were put to death, and on the rest of the inhabitants the sovereigns

passed the sentence of perpetual slavery;—so many to be distributed amongst the Castilian nobles, so many to be sold for the benefit of the treasury, so many apportioned for the ransom of Christian slaves in Africa. A picked group of one hundred and eighty warriors were dispatched to the Pope as fruits of the crusade, while the Queen of Portugal and the Queen of Naples each received fifty of the fairest maidens.

MALAGA TO-DAY

FROM A PHOTOGRAPH BY LACOSTE, MADRID

“The fate of Malaga,” says Prescott, “may be said to have decided that of Granada.” Cut off entirely from the western part of the kingdom, that had proved so valuable a storehouse of men and the necessaries of life, she lay ringed round by enemies, who only awaited the moment to strike her death-blow. Yet for this low estate to which she had fallen she could not hold herself blameless. In her passionate distrust of failure she had made and unmade her rulers, regardless of the handicap thus placed upon their actions. “El Zagal” had been right in his fears for his throne, when he sallied forth to the relief of Velez-Malaga. The dread of the fickle populace he had left behind him had hung over his wild encounters with the chivalry of Spain; and when he returned, beaten but patriotic and valorous as of old, it was to find the gates of the capital closed against him, and his rival Sultan, not only of the Albaycin, but the Alhambra. In bitterness of spirit he marched eastwards to protect the cities of Guadix, Baeza,

and Almeria, that still remained loyal to his cause; and it was against these that the Catholic sovereigns planned their next campaign.

The early part of the year 1488 they spent in Aragon, settling the affairs of that kingdom, and receiving the acknowledgment by the national Cortes of Prince John, now a boy of ten as heir to the Spanish throne. By June, however, Ferdinand arrived in Murcia and soon pushed southwards with a large army; but the campaign was not destined to follow the glorious lines of its predecessor. El Zagal, from his headquarters at Guadix, and his brother-in-law Cid Haya at Baeza knew the country well, and were on the watch for the least rash or mistaken move that their opponents might commit. Several of the smaller fortresses succumbed to Castilian lombards; but such gains were fully counterbalanced by a repulse from Almeria, and a well-planned ambush, from which the Marquis-Duke of Cadiz only extricated himself and his troops with considerable difficulty and loss.

Ferdinand, despairing of further efforts at the moment, withdrew to winter at Valladolid; but in the next spring he and Queen Isabel appeared in Jaen, determined on the reduction of Baeza, the most important town in eastern Granada. The preparations were on a scale that surpassed all former efforts of the kind; for the neighbouring country with its thick orchards and easily flooded rivers was difficult and treacherous; while the inhabitants were even more hostile to the Christians than their western compatriots.

The cornfields of Baeza had not ripened at the time of the enemy’s advance; but the grain was already cut and stored within the city lest the hated unbelievers should reap it for their own consumption. The supply of food was but one of the many pressing problems that the sovereigns were called on to solve; and, as the time passed, Ferdinand was almost tempted to raise his camp and retire until he should have made himself master of the surrounding district. To this policy he was urged by the majority of his generals, who contrasted the massive fortifications of Baeza, her hardy soldiers, and her stores of provisions, with the Christian lines, then threatened by inundations of water and decimated by disease.

Don Gutierre de Cardenas, Commander of Leon, alone protested against a retreat that would represent the waste of so much labour and money; and he was to find a staunch supporter in the Queen,

who from Jaen implored her husband not to listen to advice as cowardly as it was mistaken. If he would continue the campaign, she on her part pledged herself to keep a line of communication open, pouring daily into the camp all that it should require in the way of food or ammunition.

The chroniclers have left us minute accounts of her labours to this end, carried through with the characteristic thoroughness that had so often brought her success. The purchase of the crops of Andalusia and the lands belonging to the Military Orders; the transference of this grain and hay by a procession of fourteen thousand mules to the seat of war and the outposts already in Christian hands; the repair of the roads, worn by traffic and the heavy rains, by the vigilance of an army of engineers, kept ever at hand for the purpose; the enrollment of fresh troops and workmen to replace those lives lost in the great crusade; most arduous of all the continual disbursement of the money that came so slowly again into the royal treasury. At times the attempt to adjust the balance between demand and supply appeared impossible; and rents and subsidies failed as expenses grew, but Isabel’s hand on the helm of affairs never wavered. The crown jewels were pawned to the merchants of Valencia and Barcelona, but the campaign against Baeza did not slacken.

Ferdinand and his generals, certain of support from their base of operations, took new heart; and to the dismay of the besieged huts made of clay and timber began to replace the old tents, and traders to appear with their merchandise of comforts and luxuries, till the camp gradually assumed the air of a permanent settlement or village.

To it amongst other strangers came Franciscan friars from the Holy Land, bearing despatches from the Sultan of Egypt, in which he complained of the destruction that was being wrought against the Mahometans in Spain. Unless such hostility ceased, he declared his intention of venting his wrath on any Christians he might find in Palestine. The sovereigns, in answer, protested their right to reconquer the kingdom of Granada which had belonged to their ancestors; but they expressed their willingness to deal kindly by such Moors as proved themselves good subjects. Not content with explaining the situation by letter they even sent an embassy to the Sultan some years later, with Peter Martyr, the young Italian noble

who had been an eye-witness of so much of the war, at its head; and his eloquence succeeded in establishing friendly relations.

In November, 1489, Isabel herself visited the camp; and Cid Haya, with that courtesy that often lent so fine a shade to mediæval warfare, granted a truce that she might go and inspect the farthest trenches and outposts in safety. Pulgar declares enthusiastically that her advent changed the whole spirit of the campaign, putting an end to the vindictive bitterness that had hitherto marked the contest on either side. Moors and Christians alike were weary of fighting; and Cid Haya, who had none of Hamet “El Zegri’s” fierce intolerance, recognized that he was waging a lost cause and decided to make good terms while he was in a position to do so. At the beginning of December, Baeza capitulated on the promise of security of life and property for all its defenders and inhabitants; with the proviso that they might live if they chose as Castilian subjects, keeping their own religion and laws.

Cid Haya himself was received by the sovereigns with such marked attention and honour that he was speedily led to abjure his faith and become a Christian, marrying in later years one of the Queen’s favourite ladies-in-waiting. His first service to his new masters was to visit his brother-in-law, “El Zagal,” at Guadix and to persuade him of the futility of further resistance. Almeria had already surrendered, and but for Guadix no independent city of importance remained save Granada, with whom there could be no hope of any alliance.

“El Zagal,” bowing his pride to necessity, agreed to a treaty of capitulation that left him the title “King of Andaraz” with the district of that name and a considerable revenue; but he did not possess Cid Haya’s light-hearted temperament, and soon found life in Spain intolerable under the new conditions. Determined to break with all that could remind him of his lost glory, he sold his estates to Ferdinand and sailed to Africa; but he was to experience worse treatment at the hands of co-religionists than from his Christian foes. A tale of his wealth had spread abroad, and the King of Fez at once proceeded to rob and imprison him. When at length he gained his freedom, “El Zagal,” the once valiant warrior king, whose name had been the terror of the Andalusian border, had fallen to beggary, and blind and ragged sought alms from door to door, until a man who

had known him in prosperity took pity on him and granted him an asylum.

With the conquest of eastern Granada, the Moorish war entered on its last phase. Boabdil was nominally at peace with Castile; but pretexts were not lacking to embroil him afresh, as soon as the close of the struggle with his uncle left Ferdinand and Isabel free to embark on a fresh campaign.

By the terms of the capitulation of Loja Boabdil had agreed to surrender his claims to the throne on the capture of Guadix, and to retire to that city with the title of Duke. The sovereigns now demanded the fulfilment of this promise; but the outlook had changed since the days when the young Sultan had been merely doubtful “King of the Albaycin,” and knew not if the next week would find him in exile. Lord of the whole of Granada, the prospect of the Duchy of Guadix was not alluring to his ambitions; nor, had he wished to surrender, was he in a position to do so. Raised to the throne by all the martial element in the kingdom, that had not bowed the knee before the Cross, his very life depended on his popularity with the fierce warriors of the Alpujarras and the rest of the Moorish soldiery, who for one reason or another were pledged to maintain the city’s independence.

BOABDIL, LAST KING OF GRANADA

FROM ALTAMIRA’S “HISTORIA DE ESPAÑOLA”

Thus it was that the Christian demands were met by defiance, and the sovereigns provided with an excuse for prosecuting the war to its bitter end. The Moorish messengers had found them in Seville, whither they had gone in April, 1490, to celebrate the betrothal of their daughter Isabel with Don Alfonso, the heir to the Portuguese throne; but, this concluded, Ferdinand collected an army and, crossing the Sierra Elvira, proceeded to ravage the plains of Granada. Within sight of the city he knighted his son Prince John, on whom so many hopes were centred, that in this last act of the crusade, inheritance of his race, the boy of twelve might receive initiation into a great future.

Boabdil, in the meanwhile, had not waited to be attacked; and his generals, taking the offensive, endeavoured to recapture some of the smaller fortresses that had fallen into Christian hands, besides stirring up revolt in the larger towns which had lately surrendered,

such as Guadix and Baeza. Both efforts met with a measure of success; for many of the Moors, who had faithfully served “El Zagal” throughout his struggles with his nephew, were so disgusted at seeing his banner in the Christian camp, and at witnessing the soft complacency of Cid Haya, that they turned willingly from their old allegiance to the Prince who offered them deliverance from a foreign yoke.

Their patriotism came too late. The hour had passed when rebellion could do more than temporarily retard the waning Crescent; and the punishment of failure was meted out by Ferdinand and his generals with no unsparing hand. Yet this severity had its semblance of mercy. The inhabitants of the town in question might choose between exile with their movable property, or a full judicial inquiry into their conduct. Who were guilty? The citizens looked at one another and knew that few would be able to prove complete innocence before a hostile judgment seat, with racial hatred holding the balance; and their decision was not long in forming.

From the fairest cities in Granada passed away the population that had made her fame; and, as the exiles sailed to Africa, Castilians took possession of their deserted homes. The Curate of Los Palacios, in the case of Guadix, congratulates himself on Ferdinand’s cleverness in thus winning this town so completely from the enemies of the Holy Catholic Faith. “It is one of the mysteries of Our Lord,” he adds, “who would by no means consent that so noble a city should remain longer in the power of the Moors.”

Round Granada itself the Christian lines were closing in; and successful though arduous campaigns into the mountains of the Alpujarras had cut off the beleaguered city from hope of succour in that direction. Christian Europe, humbled by the fall of Constantinople, awaited the issue with expectant joy; and it seemed in this supreme moment as if the chivalry of both the Crescent and the Cross, conscious of universal interest, were inspired to a last emulation in the quest of glory. Never before in the crusade had the sallies of the besieged or the furious attacks of besiegers exhibited such contempt of personal danger; never before had schemes emanating from the council-chamber been supplemented by such deeds of individual bravery.

Chief hero of these days was the young Castilian noble, Hernando de Pulgar, “He of the Exploits,” as his countrymen proudly named him. Already in the earlier stages of the war he had earned a reputation for reckless daring; but the crowning touch to his fame was given by his midnight entry into Granada with fifteen companions of the same hazard-loving temperament. Led by a converted Moor, the little band of Christians scaled the walls and, making their way through the town by deserted streets, arrived unperceived at the principal mosque. Here Hernando de Pulgar drew from his pocket a strip of parchment, on which were inscribed the words dear to every Catholic but anathema to the sons of Islam, “Ave Maria!” and fixed it by his dagger to the door. Before he could follow up his intention of setting fire to the neighbouring houses, he was discovered; but nevertheless he and his friends succeeded in making their escape by dint of hard riding and a liberal use of their swords, before the majority of the inhabitants were even aware of their inroad.

It was an action to fire the imagination of all the young hot-bloods in the camp; and when in the summer of 1491 Isabel and a number of her ladies-in-waiting appeared at the seat of war, the incentive to deeds of prowess was redoubled. The sovereigns, though delighted with Hernando de Pulgar’s exploit, for which they rewarded him with every mark of honour and favour, were yet too practical to encourage a needless loss of life. They had long recognized, as we have seen, that in patience rather than in daring lay their hope of success; and when a fire broke out in the Queen’s tent and destroyed a good part of the camp, they determined to prepare for a long siege and to build more solid accommodation, as they had done at Baeza.

To this end the Spanish soldier was converted into a workman; and under his willing hands a city arose, not merely of clay and timber, but of stone. In shape a square, cut into four by wide crossroads, each quarter with its fine houses contained a block of marble inscribed with the names of those cities of Spain that had helped in its construction, the whole being finished within eighty days from its commencement.

FROM

A

PHOTOGRAPH BY ANDERSON, ROME

The building of Santa Fé, “Holy Faith,” as Isabel characteristically christened the city when asked to name it after herself, had been witnessed from the walls of Granada; and Boabdil’s heart sank within him at this token of the iron determination he knew and feared. Already hunger was rife amongst his subjects; and though he might prolong the siege for months or even longer he realized that only ultimate failure lay before him. So did his principal councillors, and in October, 1491, acting on their advice, he entered at last into negotiations for surrender.

The terms to which both sides finally agreed, besides guaranteeing to the inhabitants of Granada the safety of their lives and property, granted them also the free exercise of their religion, laws, and customs. They were to speak their own language, keep their own schools, and appoint their own judges and priests, submitting to no Christian authority save that of the Governor-General of the city. For three years they were to pay no taxes, and after that date none that should exceed those that had been ordinarily exacted by their Mahometan rulers. These rights were to be enjoyed by Jews as well as Moors; while the Christian captives then in the city were to be exchanged for an equal number of Moorish slaves. Above all Boabdil stipulated that no partisan or servant of “El Zagal” should be allowed a share in the government.

ALHAMBRA, PATIO DE L’ALBERCA

The surface value of these conditions was fair enough; treacherously fair, according to the Moorish warriors still disinclined for peace.

“If you think,” exclaimed one of them, “that the Christians will remain faithful to what they have promised, or that their sovereign will prove as generous a conqueror as he has been a valiant enemy, you deceive yourselves.”

His contemptuous refusal to have part or parcel in the transaction was echoed through the streets.

“Traitors and cowards all!” cried an old dervish, gathering behind him the more excitable element of the town; and soon a mob was beating on the gates of the Alhambra.

Boabdil succeeded in restoring order; but the fear of another riot made him hastily dispatch a letter to Ferdinand and Isabel, asking them in view of his critical position to take possession of the town some days earlier than they had settled. His interest in smoothing out all difficulties is explained by the secret stipulations affixed to the general terms of surrender. By these he and his immediate relations were to keep the lands that already formed their private patrimony, while he himself was to receive in addition the lordship and revenue of a large district in the Alpujarras, the sovereigns paying him the sum of thirty thousand castellanos on the day of their entry.

Thus Boabdil hoped to buy peace, and in the guise of a territorial magnate to free himself from the unlucky star that had haunted his path as King.[3] On the 2d of January, 1492, at the signal of a cannon fired from the Alhambra he left for ever the palace that had been the scene of so many vicissitudes in his life. At the same moment the Christian army in festival attire, with banners flying and amid the blare of trumpets issued from the gates of Santa Fé; the Cardinal of Spain and Don Gutierre de Cardenas leading the triumphal march that was to end at last in the goal of all their ambitions.

3. Boabdil, like his uncle “El Zagal,” finally sold his patrimony to the Catholic sovereigns and sailed to Africa. He was killed in a battle some years later fighting on behalf of the King of Fez against an African tribe.

The two Kings met on the banks of the Genil, where Boabdil would have knelt to kiss the other’s hand, had not Ferdinand with quick courtesy prevented him. “Take these, Señor, for I and all in the city

are thine,” exclaimed the Moor, as in profound melancholy he yielded up the keys of his capital. Then he passed on his way. As the turrets of the Alhambra grew dim behind him, the vanguard of the Christian army crossed its threshhold; and Ferdinand and Isabel without the gate saw raised on the Tower of Colmares, first, the silver cross that had been blessed at Rome, and then the royal banner and the standard of Santiago.

“Granada! Granada! for the sovereigns Don Fernando and Doña Isabel,” cried the king-at-arms in a loud voice; and the Queen falling on her knees and all with her, the solemn chant of the Te Deum rose to Heaven. The object of ten years of arduous warfare was achieved, the dream of eight centuries realized; and none of those who knelt in heartfelt thankfulness doubted that the gift was of God.

Four days later, on the 6th of January, 1492, the Feast of the Epiphany, the Catholic sovereigns made their formal entry into Granada.

CHAPTER VIII THE INQUISITION

Some allusion has already been made in our introductory chapter to the character of the Castilian Church in mediæval times. Strongly national in its resentment of papal interference, as in its dislike of alien races within the Spanish boundaries, its wealth and popularity were a sure index of the large part it must play in any difficult crisis. Amongst churchmen both Henry IV. and the rebels who opposed him had found their councillors and their generals; to the Church Queen Isabel had turned, with a confidence that was not belied, for financial help against the Portuguese; and it was a churchman, sitting in constant deliberation with her and Ferdinand, who gained amongst contemporaries the proud title of “the Third King.”

Pedro Gonsález de Mendoza had been a favourite of fortune from his birth. A member of one of the proudest and wealthiest families in Spain, the settlement of his profession had been almost coincident with his admission to its material benefits; and, from holding a curacy in early boyhood and a rich benefice at twelve years old, he had passed through the lesser offices of the episcopate to succeed Don Alonso Carrillo, on his death in 1482, as Archbishop of Toledo and Primate of Castile. Judicious influence had previously obtained him a Cardinal’s hat; but, marked though her favour had been, his reputation was not solely of fortune’s weaving.

Pedro Gonsález was in himself a striking personality. Nature had made him a Castilian noble, and, in adopting one of the few careers considered worthy of his rank, it never occurred to him that the claims of religion should exclude those of his blood and class. A clear-headed practical statesman, whose loyalty proved none the less valuable that it had been inspired by a cautious regard to the interests of himself and his house, he was also a liberal patron of

education and philanthropy, and an accomplished soldier and courtier.

“There was never a war in Spain during his time,” we are told, “in which he did not personally take part, or at least have his troops engaged”; nor did he disdain the amours, that with conspiracies and duelling formed the fashionable life of Henry IV.’s Court. When that impressionable monarch succumbed to the charms of the Portuguese lady-in-waiting, Doña Guiomar, the name of Gonsález de Mendoza, then Bishop of Calahorra, was linked with that of the favourite’s cousin; and the chronicles record that two of his sons in later years intermarried, through their father’s influence, with connections of the royal family.

Illegitimacy carried with it little stain amongst a people whose standard of life was as low as their ideals were often high; and the Church, sharing deeply as we have seen in the national life, paid the penalty of this intimacy in a blinding of her own eyes to the distance many of her sons had wandered from their Master’s footsteps. Queen Isabel, whose personal purity was a standing witness to the high code of morality in which she believed, was yet daughter enough of her age to accept Cardinal Mendoza at his popular value. He had been her protector and advisor through many of her difficulties, showing himself subtle and far-seeing in politics, as well as the kindly friend a man of mature years will often prove to young ambitions. Ferdinand and Isabel owed him much, and they paid their debt by a trust and reverence that gained him honour in Spain only second to that accorded to themselves.

Peter Martyr, in a letter to the Cardinal, addresses him as, “You, without whom the King and Queen never take the smallest step, whether engaged actively in war or enjoying peace, and without whose advice they arrive at no important conclusion.” It is the language of eulogy, but it touches truth at bottom; and the strength of Isabel’s affection for her chief councillor may be gauged by her deference to his will, on those occasions that it happened to clash with her own. When, in 1485, she would have carried the royal jurisdiction with her to Alcalá de Henares, superseding temporarily with her prerogative all local justice, as elsewhere on her progress, the Cardinal declined to admit her claims within the boundaries of his diocese of Toledo. To all her expostulations he returned an

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