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) P63: diffuse membranous positivity. (B) CD99: diffuse membranous positivity. (C) Synaptophysin: focally and weakly positive in tumor cells. (D) CK5/6: diffusely positive in tumor cells. (E) CK7: negative in tumor cells and positive in the entrapped ducts. (F) CD56: negative in tumor cells and highlights nerve as internal control. IHC, immunohistochemistry.
