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.
Histologic, immunohistochemical, and molecular findings of a case of extraosseous/peripheral ameloblastoma. (A) Islands of ameloblastic epithelium are found underneath the surface mucosal epithelium (H&E). (B) The NRAS p.G12D (c.35G > A) missense mutation (asterisk) is confirmed by Sanger sequencing. (C) Phosphorylated extracellular signal-regulated kinase (p-ERK) immunohistochemistry shows strong and diffuse staining in the nuclei of tumor cells.
