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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
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Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows...
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Inflammatory Bowel Disease II: Ulcerative Colitis01:20

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Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal...
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Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

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Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
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Inflammatory Bowel Disease IV: Clinical Manifestations01:20

Inflammatory Bowel Disease IV: Clinical Manifestations

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Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The...
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Enterocolitis in immunocompromised patients.

Keith K Lai1, Laura W Lamps1

  • 1Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, Arkansas.

Seminars in Diagnostic Pathology
|May 13, 2014
PubMed
Summary
This summary is machine-generated.

Gastrointestinal issues like diarrhea are common in immunocompromised patients. Understanding unique causes, from primary immunodeficiencies to infections, is crucial for timely treatment in this vulnerable group.

Keywords:
BacteriaEnterocolitisFungusImmunocompromisedImmunodeficiencyParasiteVirus

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Area of Science:

  • Gastroenterology
  • Immunology
  • Infectious Diseases

Background:

  • Diarrhea and gastrointestinal complaints are frequent in immunocompromised individuals.
  • Causes of gastrointestinal issues in immunocompromised patients differ significantly from immunocompetent populations.
  • Specific immunodeficiencies can predispose to particular gastrointestinal injuries and infections.

Purpose of the Study:

  • To review common causes of enterocolitis in immunocompromised patients.
  • To highlight differences in gastrointestinal disease etiology between immunocompromised and immunocompetent individuals.
  • To emphasize the importance of prompt diagnosis and treatment in this patient group.

Main Methods:

  • Literature review focusing on immunocompromised patient populations.
  • Analysis of causes including primary immunodeficiency disorders.
  • Examination of post-transplant and chemotherapy-related gastrointestinal injury.
  • Inclusion of common and emerging infectious agents.

Main Results:

  • Identified distinct patterns of gastrointestinal injury associated with specific immunodeficiencies.
  • Highlighted increased susceptibility to certain pathogens based on immune compromise etiology.
  • Detailed common causes of enterocolitis in immunocompromised settings.

Conclusions:

  • Familiarity with unique gastrointestinal disease causes in immunocompromised patients is essential.
  • Prompt and accurate treatment is critical for managing enterocolitis in this population.
  • The review provides a foundation for understanding and addressing GI complications in immunocompromised individuals.