9b (Thumb / Finger) - Answer: 53-year-old female fell at work, and has lingering right thumb pain

HISTORY: 

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.


FINDINGS:

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. 


CONCLUSION: 

Stener's lesion and tear of the ulnar collateral ligament.


Discussion
2 comments
  MSK MRI
  Neuro MRI