Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
T2 weighted coronal section shows avascular necrosis involving bilateral femoral heads with reparative border appearing hypo/hyperintense (double rim sign) on right side indicating granulation and sclerosis respectively. Dark line bordering the AVN focus on left side represents sclerosis. The cartilage and acetabulum are normal.
