Thumb Injuries
A 32-year-old woman presents after a skiing accident where her thumb was forcibly abducted when she fell on an outstretched hand gripping a ski pole. She has pain and swelling over the ulnar aspect of the thumb MCP joint. Examination reveals tenderness at the ulnar collateral ligament, and stress testing shows 40 degrees of valgus laxity at the MCP joint compared to 10 degrees on the uninjured side, with no firm endpoint. Regarding ulnar collateral ligament (UCL) injury of the thumb:
Mark each as TRUE or FALSE
UCL injury of the thumb MCP joint (gamekeeper's or skier's thumb) results from forced abduction; the...
The Stener lesion occurs when the ruptured UCL displaces superficial to the adductor aponeurosis, pr...
UCL injury results from forced adduction; the radial collateral ligament is more commonly injured; s...
Incomplete tears (Grade I-II with firm endpoint and less than 15 degrees difference) can be treated ...
Associated injuries include avulsion fractures of the proximal phalanx base (bony gamekeeper's), vol...
Answer the questions to see explanations
Click T (True) or F (False) for each option