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
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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
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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.