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.
Secondary central chondrosarcoma of the humerus in an 81-year-old woman. The residual enchondroma in the red box (narrow scalloping) is combined with the additional features of chondrosarcoma in the blue box (cortical thinning and deep scalloping).
