More Than Epiphyseal Osteochondromas: Updated Understanding of Imaging Findings in Dysplasia Epiphysealis Hemimelica (Trevor Disease)

Andrew J Degnan, Victor M Ho-Fung
AJR. American Journal of Roentgenology 2018, 211 (4): 910-919

OBJECTIVE: The purpose of this article is to discuss approaches to imaging dysplasia epiphysealis hemimelica in the context of recent advances in the understanding of the underlying pathophysiologic profile of this entity, which may result in pain, growth disturbance, and early development of osteoarthritis.

CONCLUSION: Dysplasia epiphysealis hemimelica was first characterized as a skeletal disorder with osteochondromas characteristically involving epiphyses on one side of the same lower extremity. Upper extremity involvement was subsequently recognized. Previously conceptualized as epiphyseal osteochondromatosis, recent investigations have uncovered differences between these osteocartilaginous lesions and osteochondromas.

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