Anus & perianal
Other malignancies
Carcinoid tumor


Topic Completed: 1 April 2005

Revised: 19 August 2019

Copyright: (c) 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Anal carcinoid tumor

Nat Pernick, M.D.
Page views in 2018: 115
Page views in 2019 to date: 128
Cite this page: Pernick N. Carcinoid tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/anuscarcinoid.html. Accessed December 8th, 2019.
Definition / general
  • Usually small, classified as a rectal tumor
  • 30% of anorectal carcinoids have a second tumor, often colonic adenocarcinoma
Prognostic factors
  • Good prognosis: less than 2 cm, confined to mucosa or submucosa; treat with local excision
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