Last revised by Raymond Chieng on 8 Feb 2023

A stoma (plural stomata) is defined as an artificially created connection between two hollow organs or a hollow organ and the skin. A surgical procedure that involves the creation of a stoma carries the suffix "-ostomy".

For a discussion of imaging features and potential complications, please refer to the individual articles below.

Stomas are usually created as the result of a surgical procedure.

Various types of stoma have been described. They may be classified according to the organ systems involved:

  • parastomal hernia

  • prolapse

  • retraction

  • stenosis and stricture

  • obstruction

  • stomal bleeding/peristomal varices

  • parastomal skin conditions

  • diversion colitis 2

Derived from the Greek for "mouth".

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