Fig. 2.
MRI T-1 weighted image shows osteonecrosis of the femoral head with a subchondral collapse fracture of the necrotic bone located in the anterosuperior aspect of the femoral head.
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.