Hemorrhoids other diagnostic studies: Difference between revisions

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==Overview==
==Overview==
[[Anoscopy]] is mandatory to visualize internal hemorrhoids, as they are not visible on inspection of the [[anal verge]] or palpable on performing [[Digital rectal examination|digital rectal exam]].
==Other Diagnostic Studies==
==Other Diagnostic Studies==
[[Image:Hemorrhoids2.jpg|thumb|left|Direct view of hemorrhoid seen on [[sigmoidoscopy]]]]
*Internal hemorrhoids can be viewed only using the [[anoscopy|anoscope]] or the flexible [[sigmoidoscope]].
 
*Hemorrhoids appear as bulging bluish masses above the dentate line.
[[Image:Hemorrhoids.jpg|200px|left|thumb|Endoscopic image of internal hemorrhoids seen on retroflexion of the flexible [[sigmoidoscopy|sigmoidoscope]] at the ano-rectal junction]]
*If there are accompanying constitutional symptoms (e.g. [[weight loss]]), [[colonoscopy]] should be done to exclude [[colon cancer]].


Visual confirmation of hemorrhoids can be done by doing an [[anoscopy]], using a medical device called an anoscope. This device is basically a hollow tube with a light attached at one end that allows the doctor to see the internal hemorrhoids, as well as polyps in the rectum.
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If warranted, more detailed examinations, such as [[sigmoidoscopy]] and [[colonoscopy]] can be performed. In sigmoidoscopy, the last 60cm of the [[colon (anatomy)|colon]] and rectum are examined whereas in colonoscopy the entire bowel is examined.
 
A pathologist will look for dilated vascular spaces which exhibit thrombosis and recanalization.


==References==
==References==
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{{Reflist|2}}
 
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[[Category:Gastroenterology]]
[[Category:Surgery]]
[[Category:Needs overview]]

Latest revision as of 22:03, 29 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ahmed Younes M.B.B.CH [2]

Overview

Anoscopy is mandatory to visualize internal hemorrhoids, as they are not visible on inspection of the anal verge or palpable on performing digital rectal exam.

Other Diagnostic Studies

  • Internal hemorrhoids can be viewed only using the anoscope or the flexible sigmoidoscope.
  • Hemorrhoids appear as bulging bluish masses above the dentate line.
  • If there are accompanying constitutional symptoms (e.g. weight loss), colonoscopy should be done to exclude colon cancer.

{{#ev:youtube|lPRKWRBiPsQ}}

References

Template:WH Template:WS