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) immunohistochemical analysis showed negative expression of hepatocytes and (B) strong and diffuse expression of Melan-A (C) and HMB45 in most patients (original magnification, ×400). PEComas, perivascular epithelioid cell neoplasms.
