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The Desmoid Tumor Research Foundation

April 2017

Cortical desmoid of the humerus: radiographic and MRI correlation

Author Information

Kay M(1)(2), Counsel P(3)(4), Wood D(5), Breidahl W(4)

(1)Department of Diagnostic Imaging, Princess Margaret Hospital for Children, Perth, Australia.(2)Perth Radiological Clinic, Perth, Australia.(3)Department of Diagnostic Imaging, Princess Margaret Hospital for Children, Perth, Australia.(4)Perth Radiological Clinic, Perth, Australia.(5)Department of Orthopedic Surgery, Princess Margaret Hospital for Children, Perth, Australia.

Publication

Skeletal Radiol

Summary

Cortical desmoids are self-limiting fibro-osseous lesions commonly occurring at the medial supracondylar femur in active adolescents, at either the origin of the medial head of the gastrocnemius or at the insertion of the adductor magnus aponeurosis. Less commonly, in a similar demographic, cortical desmoids may occur in the proximal humerus medially at the insertion of the pectoralis major muscle or laterally at the insertion of the deltoid. The radiographic appearance of the proximal humerus cortical desmoid has been described previously, but not the MRI appearance. We present the radiographic and MRI appearances of a proximal humerus cortical desmoid in a young adolescent who presented for investigation of right shoulder pain.

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