• J Hand Surg Am · Jan 2005

    Case Reports

    Posttraumatic recurrent dislocation of extensor pollicis brevis tendon over the metacarpophalangeal joint.

    • Shinji Imai, Katsuhisa Kikuchi, and Yoshitaka Matsusue.
    • Department of Orthopaedic Surgery, Shiga University of Medical Science, Setatsukinowa-cho, Otsu-shi, Shiga-ken 520-0192, Japan.
    • J Hand Surg Am. 2005 Jan 1; 30 (1): 147-50.

    AbstractThere have been numerous reports on dislocation of the extensor tendons in the fingers. We describe an acquired dislocation of the extensor tendons of the thumb. We report a case with posttraumatic dislocation of extensor pollicis brevis (EPB) over the metacarpophalangeal (MCP) joint of the thumb. Ulnar dislocation of the EPB took place during a firm grip on a badminton racket and the patient could not extend the thumb from this position. After reconstruction of the extensor aponeurosis to centralize the EPB tendon the patient recovered normal function of thumb extensors.

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