17
Head and Neck Tumours
The following sites are included: ▪▪ Lip and oral cavity ▪▪ Pharynx: oropharynx (p16 negative and p16 positive), nasopharynx, hypopharynx ▪▪ Larynx: supraglottis, glottis, subglottis ▪▪ Nasal cavity and paranasal sinuses (maxillary and ethmoid sinus) ▪▪ Unknown primary carcinoma – cervical nodes ▪▪ Malignant melanoma of upper aerodigestive tract ▪▪ Major salivary glands ▪▪ Thyroid gland Carcinomas arising in minor salivary glands of the upper aerodigestive tract are classified according to the rules for tumours of their anatomic site of origin, e.g., oral cavity.
Each site is described under the following headings: Rules for classification with the procedures for assessing T, N, and M categories; additional methods may be used when they enhance the accuracy of appraisal before treatment ▪▪ Anatomical sites and subsites where appropriate ▪▪ Definition of the regional lymph nodes ▪▪ TNM clinical classification ▪▪ pTNM pathological classification ▪▪ Stage ▪▪ Prognostic factors grid. ▪▪
Regional Lymph Nodes Midline nodes are considered ipsilateral nodes except in the thyroid.
TNM Classification of Malignant Tumours, Eighth Edition. Edited by James D. Brierley, Mary K. Gospodarowicz and Christian Wittekind. © 2017 UICC. Published 2017 by John Wiley & Sons, Ltd.
Head & Neck
Introductory Notes