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Camptodactyly caused by an anomalous origin of the flexor digitorum superficialis tendon. Case Report.

A 20 year old man with a progressive flexion contracture of the proximal interphalangeal joint of his right ring finger had an anomalous origin of the flexor digitorum superficialis tendon. After excision of the aberrant flexor tendon the patient had a normal range of movement of the proximal interphalangeal joint.