• J Hand Surg Am · Jan 2011

    Case Reports

    Divergent fracture-dislocation of the hamatometacarpal joint: case report.

    • Koji Moriya, Hidehiko Saito, Yuji Takahashi, and Hiroyuki Ohi.
    • Hand and Microsurgery Center, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan. kmoriya@k8.dion.ne.jp
    • J Hand Surg Am. 2011 Jan 1; 36 (1): 47-51.

    AbstractHamatometacarpal fracture-dislocation is a rare injury that consists of a fourth metacarpal fracture and a fifth carpometacarpal joint injury. We present the case of a 21-year-old man with a divergent hamatometacarpal fracture-dislocation that consisted of a combination of dorsal intra-articular fracture-dislocation of the fourth carpometacarpal joint, palmar dislocation of the fifth carpometacarpal joint, and fracture of the hook of the hamate. The mechanism of palmar dislocation of the fifth metacarpal base and fracture of the hook of the hamate involved extension of the fifth metacarpal and ulnopalmar load transmission.Copyright © 2011 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.

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