Stener lesion (MRI)

Case contributed by Dr Andrew Dixon


Ongoing thumb pain after trauma. Ulnar collateral ligament injury?

Patient Data

Age: 35 years
Gender: Male

Complete tear of the first MCP joint ulnar collateral ligament distal attachment. The ligament is retracted and is flipped superficial to the adductor pollicis aponeurosis consistent with a Stener lesion.

Annotated image

Torn and retracted ulnar collateral ligament (yellow arrows) flipped superficial to the adductor pollicis aponeurosis (red arrows) consistent with a Stener lesion of the thumb.

Case Discussion

Stener lesion of the thumb on MRI. The interposition of the adductor pollicis aponeurosis between the retracted ulnar collateral ligament and the joint prevents healing unless surgical repair is performed.  

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Case information

rID: 33700
Published: 21st Jan 2015
Last edited: 18th Sep 2019
Inclusion in quiz mode: Included

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