Presentation
MRI done in a known case of bilateral AVN
Patient Data
Age: 50 years
Gender: Male
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 hip - double line sign
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Selected T2 coronal image shows a geographic area of altered signal with the double line sign
the inner hyperintense line (yellow) represents granulation tissue
outer hypointense line (blue) represents combination of reactive bone sclerosis and fibrosis