Congenital clasped thumb

Medical condition

Congenital clasped thumb describes an anomaly which is characterized by a fixed thumb into the palm at the metacarpophalangeal joint in one or both hands. The incidence and genetic background are unknown. A study of Weckesser et al. showed that boys are twice as often affected with congenital clasped thumb compared to girls. The anomaly is in most cases bilateral . A congenital clasped thumb can be an isolated anomaly, but can also be attributed to several syndromes.

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