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Ulnar dimelia. Is it a true duplication of the ulna?
J O Chinegwundoh1, M Gupta, W A Scott
1Department of Orthopaedics, Greenwich District Hospital, London, UK.
Journal of Hand Surgery (Edinburgh, Scotland)
|February 1, 1997
Abstract:
Ulnar dimelia (mirror hand) is a rare congenital disorder, characterized by duplication of the ulna, absence of the radius and polydactyly. Approximately 60 cases have been reported worldwide. We present a new case, with its own distinguishing features. These features illustrate that the aetiology of ulnar dimelia is probably failure of differentiation of a part of the ray rather than its pure duplication.