Colon tumor
Other tumors

Topic Completed: 1 May 2012

Revised: 12 June 2019

Copyright: 2003-2019,, Inc.

PubMed search: teratoma colon

Page views in 2019: 244
Page views in 2020 to date: 31
Cite this page: Singh C. Teratoma. website. Accessed February 18th, 2020.
Definition / general
  • Rare in colon or rectum
  • Usually mature
  • Excision is curative in all colonic cases of mature cystic teratoma reported to date
Case reports
Gross description
Dermoid cyst:
  • Unilocular cyst with thin uniform wall and smooth lining, contains tan / white cheesy material that flakes away in layers
  • May contain hair or teeth
Microscopic (histologic) description
Dermoid cyst:
  • Cyst lined by keratinizing stratified squamous epithelium with granular tissue
  • Cyst wall may contain sebaceous glands and other adnexal structures
  • Variable fibrosis and smooth muscle
  • No endodermal or mesodermal elements; no immature elements or atypia
Microscopic (histologic) images

Images hosted on other servers:

Dermoid cyst

Back to top