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 lung metastasis of a thyroid carcinoma with a micropapillary component showing (A) cytoplasmic staining for Napsin A, (B) negative staining for Thyroglobulin, (C) diffuse, strong nuclear staining for PAX8 and (D) strong cytoplasmic staining for BRAFV600E (immunoperoxidase, clone VE1).
