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Difference between revisions of "Small intestine"
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→Specific conditions
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*[[Schwannoma]]. | *[[Schwannoma]]. | ||
**Classically have a ''peripheral lymphoid cuff''.<ref name=pmid15728600>{{cite journal |author=Levy AD, Quiles AM, Miettinen M, Sobin LH |title=Gastrointestinal schwannomas: CT features with clinicopathologic correlation |journal=AJR Am J Roentgenol |volume=184 |issue=3 |pages=797–802 |year=2005 |month=March |pmid=15728600 |doi= |url=http://www.ajronline.org/cgi/content/full/184/3/797}}</ref> | **Classically have a ''peripheral lymphoid cuff''.<ref name=pmid15728600>{{cite journal |author=Levy AD, Quiles AM, Miettinen M, Sobin LH |title=Gastrointestinal schwannomas: CT features with clinicopathologic correlation |journal=AJR Am J Roentgenol |volume=184 |issue=3 |pages=797–802 |year=2005 |month=March |pmid=15728600 |doi= |url=http://www.ajronline.org/cgi/content/full/184/3/797}}</ref> | ||
==Mechanical small bowel perforation== | |||
===General=== | |||
*Uncommon. | |||
Causes: | |||
*Iatrogenic, i.e. complication of a surgery. | |||
**Typically elderly. | |||
*Trauma, e.g. [[gun shot wound]], [[sharp force trauma]]. | |||
**Typically younger people that were "minding their own business". | |||
===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]]. | |||
==Ileal nodular lymphoid hyperplasia== | ==Ileal nodular lymphoid hyperplasia== | ||