TFCC Injuries
TFCC stabilizes the distal radioulnar joint and dissipates ulnar‑sided load. Palpable 'fovea sign', ulnar grind, and DRUJ shift test support diagnosis. MRI useful; wrist arthroscopy remains gold standard for diagnosis and treatment. Central tears → arthroscopic debridement; peripheral tears → repair; positive ulnar variance → consider ulnar shortening osteotomy. Failure to treat instability leads to chronic pain and DRUJ arthritis.
Practised by MCQ
10What is the primary stabilizer of the distal radioulnar joint (DRUJ)?
mcqWhich tear type is most clinically significant and requires surgical repair?
mcqWhat is the most common mechanism of injury for a TFCC tear?
mcqWhich clinical test is most sensitive for detecting a foveal TFCC tear?
mcqWhat imaging modality remains the gold standard for diagnosing TFCC injuries?
mcqIn the Palmer classification of TFCC injuries, what type is characterized by central perforation of the articu...
mcqWhat is the consequence of untreated instability resulting from a TFCC injury?
mcqWhat is the recommended treatment for a symptomatic Class 1A TFCC tear?
mcqHow does positive ulnar variance affect the load on the TFCC?
mcqWhich clinical test assesses dorsopalmar instability of the DRUJ?