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Thumb Polydactyly with SymphalangismFrom the Division of Plastic Surgery, King Saud University, Riyadh, Saudi Arabia Correspondence: Prof M.M. Al-Qattan, P.O. Box 18097, Riyadh 11415, Saudi Arabia. Fax: +966 1467 94933. E-mail: moqattan{at}hotmail.com Three cases of thumb polydactyly in which one of the components demonstrates symphalangism are reported. This is a very rare anomaly and only one similar case could be found in the literature. The rarity of this anomaly was explained by the occurrence of two different abnormal molecular events along two different limb growth axes. Finally, the anomaly does not fit into the classification systems described for thumb polydactyly.
Key Words: thumb polydactyly symphalangism
Journal of Hand Surgery (British and European Volume), Vol. 30, No. 4,
346-349 (2005) |
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