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Difference between revisions of "Small intestine"
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→Normal: +SO
(→Normal: +SO) |
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=Normal= | =Normal= | ||
==Anatomy== | ===Anatomy=== | ||
Consists of three segments: | Consists of three segments: | ||
*Duodenum | *[[Duodenum]] - can be divided into four parts. | ||
*Jejunum. | *Jejunum. | ||
*Ileum. | *Ileum. | ||
| Line 10: | Line 10: | ||
The later two parts keep ''general surgeons'' awake at night (quite literally) 'cause they get obstructed and need urgent operations. | The later two parts keep ''general surgeons'' awake at night (quite literally) 'cause they get obstructed and need urgent operations. | ||
==Histology== | ===Histology=== | ||
{{main|Gastrointestinal pathology}} | {{main|Gastrointestinal pathology}} | ||
The ''[[Gastrointestinal pathology]]'' article covers basic histology of the GI tract. | The ''[[Gastrointestinal pathology]]'' article covers basic histology of the GI tract. | ||
==[[Immunohistochemistry]]== | ===[[Immunohistochemistry]]=== | ||
*Normal small intestine is CK20 +ve... while adenocarcinoma of the small bowel may be CK20 -ve.<ref>{{cite journal |author=Chen ZM, Wang HL |title=Alteration of cytokeratin 7 and cytokeratin 20 expression profile is uniquely associated with tumorigenesis of primary adenocarcinoma of the small intestine |journal=Am. J. Surg. Pathol. |volume=28 |issue=10 |pages=1352–9 |year=2004 |month=October |pmid=15371952 |doi= |url=}}</ref> | *Normal small intestine is CK20 +ve... while adenocarcinoma of the small bowel may be CK20 -ve.<ref>{{cite journal |author=Chen ZM, Wang HL |title=Alteration of cytokeratin 7 and cytokeratin 20 expression profile is uniquely associated with tumorigenesis of primary adenocarcinoma of the small intestine |journal=Am. J. Surg. Pathol. |volume=28 |issue=10 |pages=1352–9 |year=2004 |month=October |pmid=15371952 |doi= |url=}}</ref> | ||
===Sign out=== | |||
<pre> | |||
SMALL BOWEL, BIOPSY: | |||
- SMALL BOWEL MUCOSA WITHIN NORMAL LIMITS. | |||
</pre> | |||
<pre> | |||
TERMINAL ILEUM, BIOPSY: | |||
- SMALL BOWEL MUCOSA WITHIN NORMAL LIMITS. | |||
</pre> | |||
=Clinical= | =Clinical= | ||