Ultrasound of the Month - Case 4

History 37 y/o male with left shoulder pain.

Ultrasound of the Month - Case 4

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Ultrasound of the Month - Case 4

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Diagnosis: Isolated teres minor atrophy - Atrophic muscle appears echogenic and and diminutive in size - Normal muscle is hypoechoic on ultrasound - Teres minor atrophy often due to injury of the axillary nerve as it passes through the quadrilateral space

Ultrasound of the Month - Case 4

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