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Morphological Variations of the Ulnar Styloid ProcessFrom the Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India Correspondence: A. Biyani, Department of Orthopaedics, Morriston Hospital, Swansea SA6 6NL. P.A. radiographs of both wrists were taken in 400 normal individuals to study the configuration of the styloid process of the ulna. Five different morphological variations were noticed, the commonest being an elongated process (102 wrists). Medially deviated (41 wrists), parrot beaked (27 wrists) and hypertrophic (16 wrists) patterns were less common. One person had bilateral unfused separate ossification centres for the ulnar styloid. There was no correlation between the length of the styloid process and ulnar variance.
Journal of Hand Surgery (British and European Volume), Vol. 15, No. 3,
352-354 (1990) |
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