Irritable bowel syndrome other diagnostic studies: Difference between revisions

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**[Finding 2]
**[Finding 2]
**[Finding 3]
**[Finding 3]
*Other diagnostic studies for [disease name] include:
**[Diagnostic study 1], which demonstrates:
***[Finding 1]
***[Finding 2]
***[Finding 3]
**[Diagnostic study 2], which demonstrates:
***[Finding 1]
***[Finding 2]
***[Finding 3]


* In young patients with symptoms of classic IBS, endoscopy is not done.
* Gastrointestinal endoscopy is done in difficult cases of IBS where history is unclear but physical examination is suggestive of the diagnosis.
* Gastrointestinal endoscopy is done in difficult cases of IBS where history is unclear but physical examination is suggestive of the diagnosis.
* All IBS patients with alarm features must undergo '''endoscopic evaluation.'''
* All IBS patients with alarm features must undergo '''endoscopic evaluation.'''
* Colonoscopy must be considered in patients aged more than 50 years as part of routine colon cancer screening.  
* Colonoscopy must be considered in patients aged more than 50 years as part of routine colon cancer screening.  
* In IBS patients with persistent diarrhea of age >40 years, a colonoscopy should also be performed to rule out organic causes like IBD and perform sigmoid colon biopsies for microscopic colitis.
* In IBS patients with persistent diarrhea of age >40 years, a colonoscopy should also be performed to rule out organic causes like IBD and perform biopsies.  
* IBS patients with dyspepsia, should undergo esophagogastroduodenoscopy.
* IBS patients with dyspepsia, should undergo esophagogastroduodenoscopy.
* Sigmoidoscopy is performed in patients in order to exclude melanosis coli due to laxative abuse and inflammation.  
* Sigmoidoscopy is performed in patients in order to exclude melanosis coli due to laxative abuse and microinflammation.  
 
* Sigmoid colon biopsies and duodenal biopsies are required for exclusion of microscopic colitis and celiac disease respectively.  
The difficult clinical decision is when to proceed to
 
colonoscopy or barium enema. This decision should be
 
made by a specialist, and depends mainly on the
 
individual patient’s risk. Risk is influenced by age (young
 
patients are very unlikely to have malignant pathology),
 
family history, duration of symptoms (IBS symptoms are
 
long-lived), and the presence of any sinister symptoms
 
(eg, rectal bleeding, weight loss, anorexia).
 
Melanosis coli indicating
 
laxative use and microinflammatory disease can be identified
 
during colonoscopy. Endoscopy is unnecessary in
 
young patients with classic irritable bowel syndrome
 
symptoms.69
 
Endoscopy is an expensive and limited resource, thus
 
we should probably reserve use of it for patients with
 
persistent diarrhoeal symptoms in whom duodenal and
 
colonoscopic biopsy specimens might be needed to
 
exclude coeliac disease and microscopic colitis,
 
respectively. However, the diagnostic yield of colonic
 
biopsy is very low.109,113 A high proportion of patients do
 
improve during follow-up, so a staged approach, though
 
lengthy, could save resources and avoid unnecessary
 
procedures.   
 
coeliac disease.110


crohns, diagnosis of this disorder generally
crohns, diagnosis of this disorder generally
Line 94: Line 39:


flexible sigmoidoscopy with biopsies.  
flexible sigmoidoscopy with biopsies.  
Diagnosis
obstructive defecation (pelvic-floor dyssynergia) should be considered,
anorectal manometry can confirm the diagnosis.
.


==References==
==References==

Revision as of 22:20, 7 November 2017

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

Overview

There are no other diagnostic studies associated with [disease name].

OR

[Diagnostic study] may be helpful in the diagnosis of [disease name]. Findings suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].

OR

Other diagnostic studies for [disease name] include [diagnostic study 1], which demonstrates [finding 1], [finding 2], and [finding 3], and [diagnostic study 2], which demonstrates [finding 1], [finding 2], and [finding 3].

Other Diagnostic Studies

  • There are no other diagnostic studies associated with [disease name].
  • [Diagnostic study] may be helpful in the diagnosis of [disease name]. Findings suggestive of/diagnostic of [disease name] include:
    • [Finding 1]
    • [Finding 2]
    • [Finding 3]
  • In young patients with symptoms of classic IBS, endoscopy is not done.
  • Gastrointestinal endoscopy is done in difficult cases of IBS where history is unclear but physical examination is suggestive of the diagnosis.
  • All IBS patients with alarm features must undergo endoscopic evaluation.
  • Colonoscopy must be considered in patients aged more than 50 years as part of routine colon cancer screening.
  • In IBS patients with persistent diarrhea of age >40 years, a colonoscopy should also be performed to rule out organic causes like IBD and perform biopsies.
  • IBS patients with dyspepsia, should undergo esophagogastroduodenoscopy.
  • Sigmoidoscopy is performed in patients in order to exclude melanosis coli due to laxative abuse and microinflammation.
  • Sigmoid colon biopsies and duodenal biopsies are required for exclusion of microscopic colitis and celiac disease respectively.

crohns, diagnosis of this disorder generally

cannot be made without radiological analysis of the

small bowel,

flexible sigmoidoscopy with biopsies.

References

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