U.S. flag

An official website of the United States government


Send to:

Choose Destination

Ampullary Flat Intraepithelial Neoplasia, High Grade

MedGen UID:
Concept ID:
Neoplastic Process
Synonym: Ampullary Flat Intraepithelial Neoplasia (Dysplasia), High Grade


A non-polypoid, preinvasive neoplasm that arises from the ampulla of Vater. It is characterized by the presence of high grade dysplasia. [from NCI]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVAmpullary Flat Intraepithelial Neoplasia, High Grade

Supplemental Content

Table of contents

    Recent activity

    Your browsing activity is empty.

    Activity recording is turned off.

    Turn recording back on

    See more...