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Journal of the Korean Society for Surgery of the Hand 2008;13(1):73-75.
Published online March 1, 2008.
Locked Index Finger Caused by Entrapment of Sesamoid Bone - A case report -
Jun-Kyu Lim, Jae-In Chung, Joong-Geun Lee, Yeong-Sik Yun
종자골의 포착으로 발생한 인지의 잠김 - 1예 보고 -
임준규, 정재인, 이중근, 윤영식
It is a very rare condition that limits the extension of the metacarpophalangeal joint due to locking of the index finger. Especially locking due to a larger sesamoid and roughness of metacarpal ridge is very rare and requires surgical treatment. We report a case of 34 yearold woman who sustained inability to extend metacarpophalangeal joint fully that happened without trauma and hyperflexion injury. The authors surgically removed entrapped sesamoid bone.

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