Patient Data
Age: Young adult
- Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Avascular necrosis of the knee
Loading images...

Coronal T1

Multiple geographic regions of abnormal bone marrow signal with double line sign and rim sign, features characteristic of avascular necrosis.
From the case:
Avascular necrosis of the knee
STIR

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.