Figure 6. IHC showing TTF-1 (black arrow) staining of the nucleus of malignant adenocarcinoma cell of the lung with napsin-A (red arrow) staining the cytoplasm.
TTF-1: thyroid transcription factor-1; IHC: immunohistochemistry.
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.