Avascular necrosis of the knee

Case contributed by A.Prof Frank Gaillard

Patient Data

Age: Young adult
Modality: MRI

Multiple geographic regions of abnormal bone marrow signal with double line sign and rim sign, features characteristic of avascular necrosis. 

Modality: Annotated image

Open arrow = double line sign; Simple arrow = rim sign

Case Discussion

This young bone marrow recipient patient is on high dose steroids, and developed extensive AVN of the knee.

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Case Information

rID: 2583
Case created: 7th May 2008
Last edited: 4th Jan 2016
Tags: knee, avn
Inclusion in quiz mode: Included

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