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Medicine (Baltimore). 2015 Sep;94(38):e1630. doi: 10.1097/MD.0000000000001630.

Congenital Clasped Thumb That Is Forgetten a Syndrome in Clinical Practice: A Case Report.

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From the Faculty of Medicine, Department of Orthopedics and Traumatology, Kırıkkale University, Kırıkkale, Turkey (SS, UT) and Faculty of Medicine, Department of Orthopedics and Traumatology, Adiyaman University, Adiyaman, Turkey (HBT, SAG, AU).


Congenital clasped thumb is a progressive flexion and adduction deformity presenting with heterogeneous congenital anomalies. Although the disease is rare, diagnosis is usually delayed due to natural location of thumb within the palm in first 3 months of life. A 4-year-old girl with congenital clasped thumb deformity due to absence of extensor pollicis brevis tendon whose treatment consisted of extensor indicis proprius (EIP) transfer and z-plasty reconstruction to first web space. The patient was so happy with both cosmetic appearance and functional status. There was not any limitation at interphalangeal or metacarpophalangeal (MCP) joints of the thumb and the result was. Stability of MCP joint was full and power for grasping any object was much better than the original status. In cases of isolated clasped thumb deformity associated with absence of tendon whose treatment attempts with splinting and physical treatment have failed, EIP tendon transfer and reconstruction of contracture in first web space with z-plasty is an easy and successful method to obtain functional improvement.

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