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Difference between revisions of "Colon"
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→Angiodysplasia: +microscopic
(→Epidemiology: w) |
(→Angiodysplasia: +microscopic) |
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*Causes (lower) GI haemorrhage. | *Causes (lower) GI haemorrhage. | ||
*Generally, not a problem pathologists see. | *Generally, not a problem pathologists see. | ||
*May be associated with aortic stenosis; known as ''Heyde syndrome''.<ref name=pmid19652242>{{cite journal |author=Hui YT, Lam WM, Fong NM, Yuen PK, Lam JT |title=Heyde's syndrome: diagnosis and management by the novel single-balloon enteroscopy |journal=Hong Kong Med J |volume=15 |issue=4 |pages=301–3 |year=2009 |month=August |pmid=19652242 |doi= |url=http://www.hkmj.org/abstracts/v15n4/301.htm}}</ref> | *May be associated with [[aortic stenosis]]; known as ''Heyde syndrome''.<ref name=pmid19652242>{{cite journal |author=Hui YT, Lam WM, Fong NM, Yuen PK, Lam JT |title=Heyde's syndrome: diagnosis and management by the novel single-balloon enteroscopy |journal=Hong Kong Med J |volume=15 |issue=4 |pages=301–3 |year=2009 |month=August |pmid=19652242 |doi= |url=http://www.hkmj.org/abstracts/v15n4/301.htm}}</ref> | ||
Classic location: | |||
*Cecum. | *Cecum. | ||
| Line 134: | Line 134: | ||
Etiology: | Etiology: | ||
*Thought to be caused by the higher wall tension of cecum (due to larger diameter) and result from (intermittent) venous | *Thought to be caused by the higher wall tension of cecum (due to larger diameter) and result from (intermittent) venous occlusion/focal dilation of vessels.<ref name=Ref_PBoD854>{{Ref PBoD|854}}</ref> | ||
===Microscopic=== | |||
Features:<ref name=pmid3054852>{{Cite journal | last1 = Hemingway | first1 = AP. | title = Angiodysplasia: current concepts. | journal = Postgrad Med J | volume = 64 | issue = 750 | pages = 259-63 | month = Apr | year = 1988 | doi = | PMID = 3054852 }}</ref> | |||
*Dilated vessels in mucosa and submucosa. | |||
==Diverticular disease== | ==Diverticular disease== | ||