Colon tumor
Other tumors
Teratoma


Topic Completed: 1 May 2012

Revised: 12 June 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed search: teratoma colon


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Cite this page: Singh C. Teratoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colontumorteratoma.html. Accessed November 20th, 2019.
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

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Dermoid cyst

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