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Diversion colitis

Field	Value
name	Diversion colitis
image	Diversion proctitis - intermed mag.jpg
caption	Micrograph showing colonic-type mucosa with follicular lymphoid hyperplasia, as is seen in diversion colitis. H&E stain.
field	Gastroenterology
causes	Surgery with diversion of colon (ileostomy or colostomy)
treatment	Short-chain fatty acid enemas
medication	Mesalazine

Diversion colitis is an inflammation of the colon which can occur as a complication of ileostomy or colostomy, where symptoms may occur between one month and three years following surgery. It also occurs frequently in a neovagina created by colovaginoplasty, with varying delay after the original procedure. Despite the presence of a variable degree of inflammation the most suggestive histological feature remains the prominent lymphoid aggregates.

Symptoms and signs

People may be asymptomatic but common symptoms are abdominal discomfort, anorectal pain, mucous discharge and rectal bleeding that develops from the inflamed mucosa of the distal, unused colon.

Diagnosis

Diagnosis is aided by knowing the full clinical history.

Treatment

In many milder cases after ileostomy or colostomy, diversion colitis is left untreated and disappears naturally. Possible pharmacologic treatments include short-chain fatty acid irrigation, steroid enemas and mesalazine. For surgical candidates, reanastomosis is a reversal procedure carried out to restore bowel continuity that effectively halts the symptoms of diversion colitis.

References

(April 2018). "Diversion colitis and pouchitis: A mini-review". World Journal of Gastroenterology.
(March 2016). "Diversion neovaginitis after sigmoid vaginoplasty: endoscopic and clinical characteristics". Fertility and Sterility.
(April 2000). "Reporting colonic mucosal biopsies in inflammatory conditions: a new approach". Colorectal Disease.
(September 1991). "Diversion colitis: histological features in the colon and rectum after defunctioning colostomy". Gut.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

colitis diseases-of-intestines gastrointestinal-tract-disorders

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