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
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/17534/annotated_viewer_json?iframe=true\u0026lang=us"}
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