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–C) Hematoxylin and eosin staining showed that tumor cells included atypical large cells and prominent nucleoli. Tumor cells also exhibited neuroendocrine architectural features, such as palisading features and necrotic areas (A, magnification ×40; B, magnification ×200; C, magnification ×400). (D–F) Immunostaining showed that tumor cells were diffusely positive for (D) chromogranin (magnification ×200), (E) CD138 (magnification ×100), and (F) CD138 (magnification ×400)
