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KMID : 1143020180230020093
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Archives of Hand and Microsurgery
2018 Volume.23 No. 2 p.93 ~ p.98
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Idiopathic Rupture of the Extensor Pollicis Longus Tendon due to Carpometacarpal Joint Arthritis of the Thumb: A Case Report
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Lee Sang-Ki
Kim Su-Min
Choy Won-Sik
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Abstract
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A spontaneous rupture of the extensor pollicis longus (EPL) tendon is associated with rheumatoid arthritis, fractures of the wrist, systemic or local steroids, and repetitive and excessive abnormal motion of the wrist joint. Various causes of spontaneous rupture of the EPL tendon have been reported, but EPL rupture due to carpometacarpal (CMC) arthritis has not been reported. We had a case of an idiopathic rupture of the EPL tendon due to CMC joint arthritis of the thumb. The patient had no predisposing factors including trauma or steroid injection. The ruptured tendon was operated. During the surgery, both ends of the ruptured EPL tendon were found around the dorsum of the first CMC joint, and an osteophyte was observed in the dorsal aspect of the first CMC joint. The osteophyte was removed and an extensor indicis proprius tendon transfer was performed. Three monthss post-surgery, the patient was satisfied.
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KEYWORD
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Extensor pollicis longus, Spontaneous rupture, CMC arthritis, EIP tendon transfer
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