Difference between revisions of "Colon"

Jump to navigation Jump to search
(→‎Angiodysplasia: +microscopic)
Line 125: Line 125:
*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>


Location:
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 occulsion/focal dilation of vessels.<ref name=Ref_PBoD854>{{Ref PBoD|854}}</ref>
*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==