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.
Example Photomicrographs exhibiting (A) a temporal artery with active granulomatous arteritis at the time of initial biopsy, and (B) ongoing active granulomatous arteritis at 6 months, post biopsy (hematoxylin and eosin staining; original magnifications, x200). Early calcification is also apparent in the follow-up sample (arrowhead).
