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Surgical Release for Dislocation of the Extensor Carpi Ulnaris Tendon during Forearm Pronation. Case Report Hiroki KOBAYASHI 1 , Tetsuya KANEKO 1 , Tsuyoshi TAJIKA 1 , Tsutomu KOBAYASHI 1 , Hitoshi HASEGAWA 2 , Kenji TAKAGISHI 1 1Department of Orthopedic Surgery, Gunma University Graduate School of Medicine 2Department of Orthopaedic Surgery, Saiseikai Maebashi Hospital Keyword: 尺側手根伸筋腱 , extensor carpi ulnaris tendon , 脱臼 , dislocation , 第6区画解離術 , surgical release of sixth compartment pp.629-633
Published Date 2013/6/25
DOI https://doi.org/10.11477/mf.1408102742
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 Traumatic recurrent dislocation of the extensor carpi ulnaris (ECU) tendon is a rare injury and is characterized by painful snapping on the ulnodorsal aspect of the wrist, particularly during forearm supination and wrist flexion. We encountered a case of ECU tendon dislocation that occurred during forearm pronation. The patient had sustained a hyperpronation injury during an overhead badminton racket swing 7 months before being seen at our clinic. Radiograms and CT scans of the patient's wrist showed no abnormal findings. A dynamic ultrasound examination, on the other hand, revealed ECU tendon subluxation toward the ulnar-volar side upon forearm pronation but not spination. We surgically released the sixth compartment of the extensor retinaculum, and three months later, the patient had resumed engaging in the same activities at the same level as before injury, and he was asymptomatic.


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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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