Mechanical bowel perforation - Revision history

Michael: /* See also */

2017-02-20T20:49:40Z

Michael: /* Causes of perforation */

2017-02-20T20:49:23Z

Causes of perforation

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	*[[Inflammatory bowel disease]] - [[Crohn's disease]], toxic megacolon.		*[[Inflammatory bowel disease]] - [[Crohn's disease]], toxic megacolon.
	*[[Diverticular disease]].		*[[Diverticular disease]].
	*Malignancy.		*Malignancy - see ''[[tumour perforation in colorectal cancer]]''.
	*Ischemia.		*Ischemia.
	**[[Ischemic enteritis]].		**[[Ischemic enteritis]].

Michael at 13:12, 22 February 2014

2014-02-22T13:12:32Z

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	**Others.		**Others.
	*Other causes of [[small bowel obstruction]].		*Other causes of [[small bowel obstruction]].

			==Sign out==
			<pre>
			ILEUM, BOWEL RESECTION:
			- SMALL BOWEL WITH FOCAL TRANSMURAL INFLAMMATION, EDEMA, SEROSITIS AND EARLY
			MICROABSCESS FORMATION -- COMPATIBLE WITH PERFORATION.
			- FIBROUS ADHESIONS.
			- ONE BENIGN LYMPH NODE.
			- NEGATIVE FOR MALIGNANCY.
			</pre>

	==See also==		==See also==

Michael: /* Microscopic */

2014-02-21T18:53:54Z

Microscopic

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	DDx:		DDx:
	*Malignancy:		*Malignancy:
	**[[Signet ring cell carcinoma]].		**[[Adenocarcinoma]], primary.
			***[[Signet ring cell carcinoma]].
	**Metastatic carcinoma.		**Metastatic carcinoma.
			**Others.
	*Other causes of [[small bowel obstruction]].		*Other causes of [[small bowel obstruction]].

Michael: /* Gross */

2014-02-21T18:52:13Z

Gross

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	*Bowel wall thickening, focal.		*Bowel wall thickening, focal.
	*Perforation - may or may not be obvious.		*Perforation - may or may not be obvious.

			Radiology:
			*Free air.

	==Microscopic==		==Microscopic==

Michael: /* General */

2014-02-21T18:51:42Z

General

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	*Duodenal ulcer.		*Duodenal ulcer.

	~~====Mechanical causes====~~
	Mechanical causes:<ref name=pmid23212537>{{Cite journal \| last1 = Hines \| first1 = J. \| last2 = Rosenblat \| first2 = J. \| last3 = Duncan \| first3 = DR. \| last4 = Friedman \| first4 = B. \| last5 = Katz \| first5 = DS. \| title = Perforation of the mesenteric small bowel: etiologies and CT findings. \| journal = Emerg Radiol \| volume = 20 \| issue = 2 \| pages = 155-61 \| month = Apr \| year = 2013 \| doi = 10.1007/s10140-012-1095-3 \| PMID = 23212537 }}</ref>		Mechanical causes:<ref name=pmid23212537>{{Cite journal \| last1 = Hines \| first1 = J. \| last2 = Rosenblat \| first2 = J. \| last3 = Duncan \| first3 = DR. \| last4 = Friedman \| first4 = B. \| last5 = Katz \| first5 = DS. \| title = Perforation of the mesenteric small bowel: etiologies and CT findings. \| journal = Emerg Radiol \| volume = 20 \| issue = 2 \| pages = 155-61 \| month = Apr \| year = 2013 \| doi = 10.1007/s10140-012-1095-3 \| PMID = 23212537 }}</ref>
	*Iatrogenic, e.g. complication of a surgery, colonscopy.		*Iatrogenic, e.g. complication of a surgery, colonscopy.

Michael at 18:51, 21 February 2014

2014-02-21T18:51:24Z

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	*Uncommon.		*Uncommon.

	===Causes of perforation		===Causes of perforation===
	Non-mechanical causes:<ref name=pmid23212537/>		Non-mechanical causes:<ref name=pmid23212537/>
	*[[Inflammatory bowel disease]] - [[Crohn's disease]], toxic megacolon.		*[[Inflammatory bowel disease]] - [[Crohn's disease]], toxic megacolon.

Michael at 18:51, 21 February 2014

2014-02-21T18:51:10Z

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	'''Mechanical bowel perforation''' is a relatively uncommon occurrence.		'''Mechanical bowel perforation''' is a relatively uncommon occurrence.

			'''Bowel perforation''' redirects to this article. This article covers the [[differential diagnosis]] of bowel perforation.

	==General==		==General==
	*Uncommon.		*Uncommon.

	~~Causes:<ref name~~=~~pmid23212537>{{Cite journal \| last1~~ = ~~Hines \| first1~~ = ~~J. \| last2 = Rosenblat \| first2 = J. \| last3 = Duncan \| first3 = DR. \| last4 = Friedman \| first4 = B. \| last5 = Katz \| first5 = DS. \| title = Perforation~~ of the mesenteric small bowel: etiologies and CT findings. \| journal = Emerg Radiol \| volume = 20 \| issue = 2 \| pages = 155-61 \| month = Apr \| year = 2013 \| doi = 10.1007/s10140-012-1095-3 \| PMID = 23212537 }}</ref>		===Causes of perforation
	*Iatrogenic, i.e. complication of a surgery.		Non-mechanical causes:<ref name=pmid23212537/>
	**Typically elderly.		*[[Inflammatory bowel disease]] - [[Crohn's disease]], toxic megacolon.
	*Trauma, e.g. [[gunshot wound]], [[sharp force trauma]].
	**Typically younger people that were "minding their own business".

	~~Other causes of perforation non~~-mechanical:<ref name=pmid23212537/>
	*[[Crohn's disease]].
	*[[Diverticular disease]].		*[[Diverticular disease]].
	*Foreign body.
	*Malignancy.		*Malignancy.
	*Ischemia.		*Ischemia.
	**[[Ischemic enteritis]].		**[[Ischemic enteritis]].
	**[[Ischemic colitis]].		**[[Ischemic colitis]].
			*Duodenal ulcer.

			====Mechanical causes====
			Mechanical causes:<ref name=pmid23212537>{{Cite journal \| last1 = Hines \| first1 = J. \| last2 = Rosenblat \| first2 = J. \| last3 = Duncan \| first3 = DR. \| last4 = Friedman \| first4 = B. \| last5 = Katz \| first5 = DS. \| title = Perforation of the mesenteric small bowel: etiologies and CT findings. \| journal = Emerg Radiol \| volume = 20 \| issue = 2 \| pages = 155-61 \| month = Apr \| year = 2013 \| doi = 10.1007/s10140-012-1095-3 \| PMID = 23212537 }}</ref>
			*Iatrogenic, e.g. complication of a surgery, colonscopy.
			**Typically elderly.
			*Trauma, e.g. [[gunshot wound]], [[sharp force trauma]].
			**Typically younger people that were "minding their own business".
			*Foreign body.

	==Gross==		==Gross==

Michael at 18:47, 21 February 2014

2014-02-21T18:47:01Z

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	*Malignancy.		*Malignancy.
	*Ischemia.		*Ischemia.
			**[[Ischemic enteritis]].
			**[[Ischemic colitis]].

	==Gross==		==Gross==

Michael at 18:45, 21 February 2014

2014-02-21T18:45:22Z

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	'''Mechanical bowel perforation''' is a relatively uncommon occurrence.		'''Mechanical bowel perforation''' is a relatively uncommon occurrence.

	===General===		==General==
	*Uncommon.		*Uncommon.

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	*Ischemia.		*Ischemia.

	===Gross===		==Gross==
	*Fibrinous exudate.		*Fibrinous exudate.
	*Bowel wall thickening, focal.		*Bowel wall thickening, focal.
	*Perforation - may or may not be obvious.		*Perforation - may or may not be obvious.

	===Microscopic===		==Microscopic==
	Features:		Features:
	*Microabscess formation - esp. at serosal aspect.		*Microabscess formation - esp. at serosal aspect.

← Older revision		Revision as of 20:49, 20 February 2017
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	*[[Small intestine]].		*[[Small intestine]].
	*[[Colon]].		*[[Colon]].
			*[[Tumour perforation in colorectal cancer]].

	==References==		==References==