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Related Experiment Videos

The atypical colitides.

F M Giardiello1, A J Lazenby

  • 1Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine (FMG), Baltimore, Maryland, USA.

Gastroenterology Clinics of North America
|June 18, 1999
PubMed
Summary
This summary is machine-generated.

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Collagenous colitis and lymphocytic colitis cause chronic watery diarrhea. Diversion colitis is an inflammatory condition in excluded sections of the large intestine, often seen with ostomies.

Area of Science:

  • Gastroenterology
  • Colorectal Diseases
  • Inflammatory Bowel Disease

Background:

  • Collagenous colitis presents with chronic watery diarrhea, abdominal pain, and specific histopathology including a subepithelial collagen band.
  • Lymphocytic colitis shares clinical features with collagenous colitis, primarily chronic watery diarrhea.
  • Diversion colitis is an inflammatory condition affecting excluded segments of the large intestine, often associated with ostomy procedures.

Purpose of the Study:

  • To differentiate the clinicopathologic features of collagenous colitis, lymphocytic colitis, and diversion colitis.
  • To highlight the diagnostic criteria for these distinct colorectal inflammatory conditions.
  • To inform clinical diagnosis and management strategies for patients with chronic diarrhea and specific colorectal pathologies.

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Main Methods:

  • Review of clinicopathologic features of collagenous colitis.
  • Analysis of clinical presentation of lymphocytic colitis.
  • Histopathological examination of diversion colitis in excluded colonic segments.

Main Results:

  • Collagenous colitis is defined by chronic diarrhea, pain, and a subepithelial collagen band with lamina propria inflammation.
  • Lymphocytic colitis is characterized by chronic watery diarrhea and increased intraepithelial lymphocytes.
  • Diversion colitis arises in fecal-stream-excluded bowel, commonly in patients with ostomies.

Conclusions:

  • Collagenous colitis, lymphocytic colitis, and diversion colitis are distinct entities with unique clinical and histopathological findings.
  • Accurate diagnosis relies on integrating clinical symptoms with characteristic histopathological features.
  • Understanding these conditions is crucial for appropriate patient management, particularly in cases of chronic diarrhea or post-surgical complications.