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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.
TFCC tears do not always occur as a result of a trauma and may occur as a result of degenerative changes in the wrist. A degenerative tear may occur as a result of âulnocarpal impaction syndromeâ â when the end of the ulnar chronically âimpactsâ on the TFCC and the 2 wrist bones it connects with (lunate and triquetrum).