Difference between revisions of "Mechanical bowel perforation"
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*Uncommon. | *Uncommon. | ||
Causes: | 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, i.e. complication of a surgery. | *Iatrogenic, i.e. complication of a surgery. | ||
**Typically elderly. | **Typically elderly. | ||
*Trauma, e.g. [[gunshot wound]], [[sharp force trauma]]. | *Trauma, e.g. [[gunshot wound]], [[sharp force trauma]]. | ||
**Typically younger people that were "minding their own business". | **Typically younger people that were "minding their own business". | ||
Other causes of perforation non-mechanical:<ref name=pmid23212537/> | |||
*[[Crohn's disease]]. | |||
*[[Diverticular disease]]. | |||
*Foreign body. | |||
*Malignancy. | |||
*Ischemia. | |||
===Gross=== | ===Gross=== | ||
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*[[Small intestine]]. | *[[Small intestine]]. | ||
*[[Colon]]. | *[[Colon]]. | ||
==References== | |||
{{Reflist|2}} | |||
[[Category:Gastrointestinal pathology]] | [[Category:Gastrointestinal pathology]] | ||
Revision as of 18:45, 21 February 2014
Mechanical bowel perforation is a relatively uncommon occurrence.
General
- Uncommon.
Causes:[1]
- Iatrogenic, i.e. complication of a surgery.
- Typically elderly.
- Trauma, e.g. gunshot wound, sharp force trauma.
- Typically younger people that were "minding their own business".
Other causes of perforation non-mechanical:[1]
- Crohn's disease.
- Diverticular disease.
- Foreign body.
- Malignancy.
- Ischemia.
Gross
- Fibrinous exudate.
- Bowel wall thickening, focal.
- Perforation - may or may not be obvious.
Microscopic
Features:
- Microabscess formation - esp. at serosal aspect.
- Serositis.
DDx:
- Malignancy:
- Signet ring cell carcinoma.
- Metastatic carcinoma.
- Other causes of small bowel obstruction.