Acute diarrhea other diagnostic studies: Difference between revisions
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==Overview== | ==Overview== | ||
[[Sigmoidoscopy]] and [[colonoscopy]] may help in the diagnosis of conditions such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[amebiasis]], [[Polyp|polyps]], [[Ulcer|ulceration]], [[Crohn's disease]], and [[ulcerative colitis]]. [[Esophagogastroduodenoscopy|Upper GI endoscopy]] and [[biopsy]] help in the diagnosis of [[Crohn's disease]], [[giardiasis]], [[lymphoma|intestinal lymphoma]], [[lymphangiectasia]], [[eosinophilic gastroenteritis]], [[Whipple's disease]], [[mastocytosis]], [[abetalipoproteinemia]], [[Fungus|fungal]] and [[Protozoa|protozoal]] infections. | [[Sigmoidoscopy]] and [[colonoscopy]] may help in the [[diagnosis]] of conditions such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[amebiasis]], [[Polyp|polyps]], [[Ulcer|ulceration]], [[Crohn's disease]], and [[ulcerative colitis]]. [[Esophagogastroduodenoscopy|Upper GI endoscopy]] and [[biopsy]] help in the [[diagnosis]] of [[Crohn's disease]], [[giardiasis]], [[lymphoma|intestinal lymphoma]], [[lymphangiectasia]], [[eosinophilic gastroenteritis]], [[Whipple's disease]], [[mastocytosis]], [[abetalipoproteinemia]], [[Fungus|fungal]] and [[Protozoa|protozoal]] infections. | ||
==Other Diagnostic Studies== | ==Other Diagnostic Studies== | ||
[[Endoscopy|Endoscopic examination]] and [[Mucous membrane|mucosal]] [[Biopsy|biopsies]] help in the diagnosis of some causes of acute diarrhea such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[ | [[Endoscopy|Endoscopic examination]] and [[Mucous membrane|mucosal]] [[Biopsy|biopsies]] help in the [[diagnosis]] of some causes of acute diarrhea such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[inflammatory bowel disease]] ( [[Crohn's disease]] and [[ulcerative colitis]]), [[Whipple's disease]] and [[Parasitism|parasitic infections]]. | ||
====Endoscopic Examination and | ====Endoscopic Examination and mucosal biopsy==== | ||
=====Sigmoidoscopy and Colonoscopy===== | =====Sigmoidoscopy and Colonoscopy===== | ||
* Conditions such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[amebiasis]], [[Polyp|polyps]], [[Ulcer|ulceration]], [[Crohn's disease]], and [[ulcerative colitis]] may be diagnosed by [[Endoscopy|endoscopic examination]]. | * Conditions such as [[melanosis coli]] due to [[Laxative|laxative abuse]], [[amebiasis]], [[Polyp|polyps]], [[Ulcer|ulceration]], [[Crohn's disease]], and [[ulcerative colitis]] may be diagnosed by [[Endoscopy|endoscopic examination]]. | ||
* Less common causes of acute diarrhea such as [[microscopic colitis]], [[Whipple's disease]], and [[schistosomiasis]] may require [[biopsy]] for histological diagnosis. | * Less common causes of acute diarrhea such as [[microscopic colitis]], [[Whipple's disease]], and [[schistosomiasis]] may require [[biopsy]] for [[histological]] [[diagnosis]]. | ||
=====Upper | =====Upper endoscopy===== | ||
* [[Crohn's disease]], [[giardiasis]], [[lymphoma|intestinal lymphoma]], [[lymphangiectasia]], [[eosinophilic gastroenteritis]], [[Whipple's disease]], [[mastocytosis]], [[abetalipoproteinemia]], [[Fungus|fungal]] and [[Protozoal intestinal infections|protozoal infections]] may be diagnosed through [[Endoscopy|upper GI endoscopy]] and [[biopsy]]. | * [[Crohn's disease]], [[giardiasis]], [[lymphoma|intestinal lymphoma]], [[lymphangiectasia]], [[eosinophilic gastroenteritis]], [[Whipple's disease]], [[mastocytosis]], [[abetalipoproteinemia]], [[Fungus|fungal]] and [[Protozoal intestinal infections|protozoal infections]] may be diagnosed through [[Endoscopy|upper GI endoscopy]] and [[biopsy]].<ref>{{cite journal | last = Lee | first = S. D. | title = Endoscopy in inflammatory bowel disease | journal = Gastroenterology Clinics of North America | volume = 31 | issue = 1 | pages = 119-32 | id = PMID 12122727 }}</ref> | ||
* An [[aspirate]] of [[Small intestine|small intestinal contents]] may be sent for [[Microbiological culture|quantitative bacterial culture]] ([[aerobic]] and [[Anaerobic organism|anaerobic]]) in case of suspected [[Small intestinal bacterial overgrowth syndrome|bacterial overgrowth]] and may be used for [[microscopy]] to detect [[Parasitism|parasites]]. | * An [[aspirate]] of [[Small intestine|small intestinal contents]] may be sent for [[Microbiological culture|quantitative bacterial culture]] ([[aerobic]] and [[Anaerobic organism|anaerobic]]) in case of suspected [[Small intestinal bacterial overgrowth syndrome|bacterial overgrowth]] and may be used for [[microscopy]] to detect [[Parasitism|parasites]]. | ||
Revision as of 09:02, 26 February 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sudarshana Datta, MD [2]
Overview
Sigmoidoscopy and colonoscopy may help in the diagnosis of conditions such as melanosis coli due to laxative abuse, amebiasis, polyps, ulceration, Crohn's disease, and ulcerative colitis. Upper GI endoscopy and biopsy help in the diagnosis of Crohn's disease, giardiasis, intestinal lymphoma, lymphangiectasia, eosinophilic gastroenteritis, Whipple's disease, mastocytosis, abetalipoproteinemia, fungal and protozoal infections.
Other Diagnostic Studies
Endoscopic examination and mucosal biopsies help in the diagnosis of some causes of acute diarrhea such as melanosis coli due to laxative abuse, inflammatory bowel disease ( Crohn's disease and ulcerative colitis), Whipple's disease and parasitic infections.
Endoscopic Examination and mucosal biopsy
Sigmoidoscopy and Colonoscopy
- Conditions such as melanosis coli due to laxative abuse, amebiasis, polyps, ulceration, Crohn's disease, and ulcerative colitis may be diagnosed by endoscopic examination.
- Less common causes of acute diarrhea such as microscopic colitis, Whipple's disease, and schistosomiasis may require biopsy for histological diagnosis.
Upper endoscopy
- Crohn's disease, giardiasis, intestinal lymphoma, lymphangiectasia, eosinophilic gastroenteritis, Whipple's disease, mastocytosis, abetalipoproteinemia, fungal and protozoal infections may be diagnosed through upper GI endoscopy and biopsy.[1]
- An aspirate of small intestinal contents may be sent for quantitative bacterial culture (aerobic and anaerobic) in case of suspected bacterial overgrowth and may be used for microscopy to detect parasites.
References
- ↑ Lee, S. D. "Endoscopy in inflammatory bowel disease". Gastroenterology Clinics of North America. 31 (1): 119–32. PMID 12122727.