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.
Pituitary adenoma demonstrating loss of staining for SDHB and SDHA. The neoplastic area (A), which demonstrates uniform strong prolactin expression (B), demonstrates completely absent staining for both SDHA (C) and SDHB (D). Note: The non-neoplastic endothelial cells (arrows) demonstrate strong positive staining for both SDHA and SDHB and serve as a positive internal control (A, H&E; B, Prolactin; C and D, IHC).
