Carpal Instability
A 35-year-old man presents 6 weeks after falling on his outstretched hand. He has persistent dorsal wrist pain that worsens with gripping. Examination shows tenderness in the anatomical snuffbox and over the dorsal scapholunate interval. Watson (scaphoid shift) test produces pain and a clunk. X-ray shows scapholunate gap of 4mm with a cortical ring sign. Lateral view shows scapholunate angle of 75 degrees. Regarding scapholunate ligament injuries:
Mark each as TRUE or FALSE
The scapholunate interosseous ligament (SLIL) has three components: dorsal (strongest, most importan...
Clinical tests include Watson (scaphoid shift) test - positive when pressure on scaphoid tubercle du...
The palmar component of SLIL is the strongest; SLIL rupture causes VISI pattern; the lunate flexes i...
Garcia-Elias classification for chronic SLIL injury stages: Stage 1 (partial tear, no instability), ...
Treatment depends on stage: acute/partial may be treated with immobilization; acute complete tears r...
Answer the questions to see explanations
Click T (True) or F (False) for each option