The Journal of hand surgery, European volume
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J Hand Surg Eur Vol · Feb 1985
Case ReportsIrreducible buttonhole dislocation of the proximal interphalangeal joint of the finger (a case report).
Dislocations of the proximal interphalangeal joints of the finger rarely present a problem in reduction. However, reduction may be prevented by buttonholing of the joint capsule and volar plate by the head of the proximal phalanx.