Where are fistulae found in Crohn disease?

Updated: Jul 26, 2019
  • Author: Leyla J Ghazi, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Fistulae may be enteroenteral, enterovesical, enterovaginal, or enterocutaneous. The inflammation extending through the bowel wall may also involve the mesentery and surrounding lymph nodes. Creeping fat may be seen when the mesentery wraps around the bowel surface (see the following image). [1] Serosal inflammation causes adhesions; thus, free perforations are less common in Crohn disease than in other inflammatory bowel conditions. [1]

Laparoscopic view depicts creeping fat along the m Laparoscopic view depicts creeping fat along the mesentery of the terminal ileum.

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