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KMID : 0361620170520020112
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Journal of the Korean Orthopaedic Association
2017 Volume.52 No. 2 p.112 ~ p.124
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Traumatic Triangular Fibrocartilage Complex Injuries and Instability of the Distal Radioulnar Joint
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Kim Byung-Sung
Nho Jae-Hwi
Jung Ki-Jin
Yun Keon-Hee
Kim Young-Hwan
Yoon Hong-Kee
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Abstract
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Traumatic triangular fibrocartilage complex (TFCC) injuries require multidisciplinary approach and plan. Trauma to TFCC can lead to instability of the distal radioulnar joint (DRUJ). Injury to TFCC is classified as a stable type that does not cause unstable lesions for DRUJ or unstable type that can cause instability of DRUJ. According to the location and severity of the injury, arthroscopic debridement or arthroscopic repair may be considered. In the ulnar side avulsion of TFCC, which could cause DRUJ instability, arthroscopic examination should be performed to identify an accurate location of the damaged structures, followed by arthroscopic debridement and repair. In the event of TFCC and DRUJ injuries with ulnar positive variance, arthroscopic TFCC repair or ulnar shortening osteotomy after arthroscopic debridement could be considered to solve the instability and ulnar side pain. However, if peripheral TFCC tear with ulnar impaction syndrome and DRUJ instability, it combined operation of ulnar shortening osteotomy and TFCC foveal fixation could be considered. An accurate classification of TFCC and DRUJ injuries is necessary. It is important to resolve and prevent recurrence of ulnar wrist pain caused by instability.
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KEYWORD
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triangular fibrocartilage complex, distal radioulnar joint, arthroscopy, joint instability
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