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← Older revision		Revision as of 18:29, 5 April 2025
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	[[File:Diversion_proctitis_-_intermed_mag.jpg\|thumb\|~~Diversion_proctitis_~~-~~_intermed_mag.jpg~~]] '''Diversion colitis''' is an inflammatory condition of the colon that occurs in patients who have undergone surgical diversion of the fecal stream. This condition is commonly seen in patients with [[ileostomy]] or [[colostomy]].		{{SI}}
			{{Infobox medical condition
			\| name = Diversion colitis
			\| image = [[File:Diversion_proctitis_-_intermed_mag.jpg\|left\|thumb\|Micrograph of diversion colitis.]]
			\| caption = Micrograph of diversion colitis.
			\| field = [[Gastroenterology]]
			\| symptoms = [[Abdominal pain]], [[rectal bleeding]], [[diarrhea]]
			\| complications = [[Stricture (medicine)\|Strictures]], [[fistulae]], [[malabsorption]]
			\| onset = After [[surgical diversion]] of the [[colon]]
			\| duration = Variable, can persist until normal fecal flow is restored
			\| causes = Lack of [[short-chain fatty acids]] in the diverted segment of the colon
			\| risks = [[Surgical procedures]] involving [[ileostomy]] or [[colostomy]]
			\| diagnosis = [[Endoscopy]], [[biopsy]]
			\| differential = [[Inflammatory bowel disease]], [[infectious colitis]]
			\| treatment = [[Butyrate]] enemas, [[re-anastomosis]]
			\| prognosis = Generally good with treatment
			\| frequency = Common in patients with diverted colonic segments
			}}
			'''Diversion colitis''' is an inflammatory condition of the colon that occurs in patients who have undergone surgical diversion of the fecal stream. This condition is commonly seen in patients with [[ileostomy]] or [[colostomy]].
	==Pathophysiology==		==Pathophysiology==
	The pathophysiology of diversion colitis is primarily related to the lack of short-chain fatty acids (SCFAs) in the diverted segment of the colon. SCFAs, which are produced by the bacterial fermentation of dietary fibers, play a crucial role in maintaining colonic health. The absence of these SCFAs leads to mucosal atrophy, inflammation, and the development of colitis.		The pathophysiology of diversion colitis is primarily related to the lack of short-chain fatty acids (SCFAs) in the diverted segment of the colon. SCFAs, which are produced by the bacterial fermentation of dietary fibers, play a crucial role in maintaining colonic health. The absence of these SCFAs leads to mucosal atrophy, inflammation, and the development of colitis.

	==Clinical Presentation==		==Clinical Presentation==
	Patients with diversion colitis may present with a variety of symptoms, including:		Patients with diversion colitis may present with a variety of symptoms, including:
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	* Mucus discharge		* Mucus discharge
	* Tenesmus		* Tenesmus

	==Diagnosis==		==Diagnosis==
	The diagnosis of diversion colitis is typically made based on clinical history, endoscopic findings, and histological examination. Endoscopy may reveal erythema, friability, and ulceration of the colonic mucosa. Histologically, the colonic mucosa shows features of chronic inflammation, including lymphocytic infiltration and crypt abscesses.		The diagnosis of diversion colitis is typically made based on clinical history, endoscopic findings, and histological examination. Endoscopy may reveal erythema, friability, and ulceration of the colonic mucosa. Histologically, the colonic mucosa shows features of chronic inflammation, including lymphocytic infiltration and crypt abscesses.

	==Treatment==		==Treatment==
	The primary treatment for diversion colitis involves the restoration of the fecal stream to the affected segment of the colon, which can be achieved through surgical [[re-anastomosis]]. In cases where re-anastomosis is not feasible, other treatments may include:		The primary treatment for diversion colitis involves the restoration of the fecal stream to the affected segment of the colon, which can be achieved through surgical [[re-anastomosis]]. In cases where re-anastomosis is not feasible, other treatments may include:
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	* Anti-inflammatory medications		* Anti-inflammatory medications
	* Probiotics		* Probiotics

	==Prognosis==		==Prognosis==
	The prognosis for patients with diversion colitis is generally good, especially if the fecal stream can be restored. In cases where re-anastomosis is not possible, long-term management with medical therapy can help control symptoms and prevent complications.		The prognosis for patients with diversion colitis is generally good, especially if the fecal stream can be restored. In cases where re-anastomosis is not possible, long-term management with medical therapy can help control symptoms and prevent complications.

	==See also==		==See also==
	* [[Colitis]]		* [[Colitis]]
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	* [[Colostomy]]		* [[Colostomy]]
	* [[Inflammatory bowel disease]]		* [[Inflammatory bowel disease]]

	==References==		==References==
	{{Reflist}}		{{Reflist}}

	==External links==		==External links==
	{{Commons category\|Diversion colitis}}		{{Commons category\|Diversion colitis}}

	[[Category:Gastroenterology]]		[[Category:Gastroenterology]]
	[[Category:Inflammatory bowel disease]]		[[Category:Inflammatory bowel disease]]
	[[Category:Colitis]]		[[Category:Colitis]]

	{{medicine-stub}}		{{medicine-stub}}

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[[File:Diversion_proctitis_-_intermed_mag.jpg|thumb|Diversion_proctitis_-_intermed_mag.jpg]] '''Diversion colitis''' is an inflammatory condition of the colon that occurs in patients who have undergone surgical diversion of the fecal stream. This condition is commonly seen in patients with [[ileostomy]] or [[colostomy]].

==Pathophysiology==
The pathophysiology of diversion colitis is primarily related to the lack of short-chain fatty acids (SCFAs) in the diverted segment of the colon. SCFAs, which are produced by the bacterial fermentation of dietary fibers, play a crucial role in maintaining colonic health. The absence of these SCFAs leads to mucosal atrophy, inflammation, and the development of colitis.

==Clinical Presentation==
Patients with diversion colitis may present with a variety of symptoms, including:
* Abdominal pain
* Rectal bleeding
* Mucus discharge
* Tenesmus

==Diagnosis==
The diagnosis of diversion colitis is typically made based on clinical history, endoscopic findings, and histological examination. Endoscopy may reveal erythema, friability, and ulceration of the colonic mucosa. Histologically, the colonic mucosa shows features of chronic inflammation, including lymphocytic infiltration and crypt abscesses.

==Treatment==
The primary treatment for diversion colitis involves the restoration of the fecal stream to the affected segment of the colon, which can be achieved through surgical [[re-anastomosis]]. In cases where re-anastomosis is not feasible, other treatments may include:
* Topical application of SCFAs
* Anti-inflammatory medications
* Probiotics

==Prognosis==
The prognosis for patients with diversion colitis is generally good, especially if the fecal stream can be restored. In cases where re-anastomosis is not possible, long-term management with medical therapy can help control symptoms and prevent complications.

==See also==
* [[Colitis]]
* [[Ileostomy]]
* [[Colostomy]]
* [[Inflammatory bowel disease]]

==References==
{{Reflist}}

==External links==
{{Commons category|Diversion colitis}}

[[Category:Gastroenterology]]
[[Category:Inflammatory bowel disease]]
[[Category:Colitis]]

{{medicine-stub}}

Diversion colitis - Revision history

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