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.
Case 1 : Pathologic findings (atypical meningioma). A : Cellular whorl formation (H&E, original magnification ×100). B : Immunopositive for epithelial membrane antigen (original magnification ×400). C : Frequent mitosis, (H&E, original magnification ×400). D : Necrosis (H&E, original magnification ×100)
