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) Fine needle aspiration of the thyroid mass. The tumor is present as loose clusters or single cells and is composed of epithelioid cells with pleomorphic nuclei (Papanicolaou, × 400). (B) Excisional biopsy specimen from the periumbilical area. The tumor is composed of pleomorphic, epithelioid, and spindle cells with frequent mitotic figures (H&E, × 400).
