Figure 2.
The classifications of femoral head lesions for BCO lesions developments: (A) = normal; (B) = femoral head separation; (C) = femoral head transitional degeneration; (D,E) = femoral head necrosis.
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.