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A TFCC tear is an injury to the triangular fibrocartilage complex, found in the wrist, between the end of the ulna bone and the carpals. Its function is to stabilize the radioulnar joint.
Injuries to the TFCC present as ulnar-side wrist pain, frequently with clicking. Torn TFCCs constitute 35% of intra-articular fractures and 53% of extra-articular fractures. There is no correlation between ulnar styloid fractures and TFCC injuries.