This 53-year-old female fell at work, and has lingering right thumb pain.
(QUIZ ANSWER) PRIMARY FINDING IN THIS CASE:
Ulnar collateral ligament tear.
Using the diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.
The ulnar collateral ligament is torn, inflamed, and retracted. It has flipped external to the aponeurosis, consistent with a Stener's lesion. There is surrounding inflammation.
Remaining tendons and ligaments appear intact. No macrofractures or microtrabecular injuries are identified.
Stener's lesion and tear of the ulnar collateral ligament.