Old avulsion fracture at metacarpophalangeal joint

Case contributed by Dr Andrew Dixon


Post removal wood foreign body from 4th finger.

Patient Data

Age: 25 years
Gender: Male

Small well corticated bone fragment at the radial aspect base of the third proximal phalanx consistent with an old avulsion fracture at the distal attachment of the MCP joint radial collateral ligament.  

Case Discussion

Example of an old collateral ligament avulsion fracture. The cortication of the bone fragment and donor site help differentiate this from an acute fracture.  

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Case information

rID: 53112
Published: 1st May 2017
Last edited: 22nd Jun 2017
Inclusion in quiz mode: Included

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