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Published on: June 10, 2025
Spontaneous tendon rupture of the extensor digitrum communis in systemic lupus erythematosus
Hisao Oishi1, Ryo Oda, Shinsuke Morisaki
1Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
Abstract:
We present a rare case of spontaneous tendon rupture of the extensor digitorum communis (EDC) in a patient with systemic lupus erythematosus (SLE). Inflammation in SLE presents as periarthritis, which may develop into Jaccoud's arthropathy. We bridged the ruptured tendon of the EDC (III) at the metacarpophalangeal (MP) joint of this patient with a tendon graft. This case demonstrates that this portion of the MP joint can be a site of tendon rupture of fingers in SLE patients.