Patellar avulsion fracture

Case contributed by Dr Maulik S Patel

Presentation

Trauma to the left knee. Complaining of anterior knee pain.

X-ray

There are tiny bone flakes closed to medial side of the patella. There is a corresponding tiny defect in the adjacent patellar cortex. There is no dislocation/ bone lesion. There are soft tissue density foci in the supra-patellar and in the infra patellar fat pads.

Case Discussion

The case shows an patellar avulsion fracture from its medial margin which should raise a possibility of transient patellar dislocation/ subluxation.  

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Case information

rID: 19491
Published: 15th Sep 2012
Last edited: 12th Apr 2020
Inclusion in quiz mode: Included

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