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.
a, b Preoperative X-rays of a case of GCT of the distal femur (case 2) showing cortical thinning (arrow) and subchondral extension (star). c, d Follow-up X-rays showing internal fixation with intramedullary wires with 40 month post-reconstruction showing cortical and subchondral thickening (arrows)
