Gamekeeper thumb

Case contributed by Dr Kenny Sim


Trauma to left thumb, with the digit twisted backwards. Reduced range of motion. Swollen.

Patient Data

Age: 39
Gender: Male

There is a minimally displaced fracture through the ulnar corner of the base of the proximal phalanx of the thumb. This demonstrates intra-articular extension.

The appearances, in conjunction with the provided clinical history, suggests avulsion injury of the ulnar collateral ligament of the first metacarpophalangeal joint.

Case Discussion

Gamekeeper thumb is the eponymous name given to avulsion or rupture of the ulnar collateral ligament (UCL) of the thumb. It is also known as skier's thumb. 

PlayAdd to Share

Case information

rID: 32791
Published: 15th Dec 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.