Carpal tunnel syndrome caused by volar dislocation of the lunate in a patient with rheumatoid arthritis

Yoshinobu OkaDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, JapanCorrespondence[email protected]

Daisaku TokunagaDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan

Hiroyoshi FujiwaraDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan

Tatsuya HojoDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan

Ryota TakatoriDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan

Toshikazu KuboDepartment of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan

Abstract

We report a case of carpal tunnel syndrome caused by volar dislocation of the lunate in a patient with rheumatoid arthritis. A 74-year-old woman complained of numbness in her fingers. Carpal tunnel syndrome was diagnosed, and carpal tunnel release was performed. However, the symptoms recurred. Three-dimensional computed tomography and magnetic resonance imaging revealed volar dislocation of the lunate and synovitis around the distal radioulnar joint, respectively. Resection of the lunate and the Sauvé–Kapandji procedure were effective.

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Carpal tunnel syndrome caused by volar dislocation of the lunate in a patient with rheumatoid arthritis

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Carpal tunnel syndrome caused by volar dislocation of the lunate in a patient with rheumatoid arthritis

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