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Related Concept Videos

Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

Introduction
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
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by transmural...
Inflammatory Bowel Disease I: Introduction01:26

Inflammatory Bowel Disease I: Introduction

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 “skip lesions” in which...
Inflammatory Bowel Disease III: Crohn's Disease01:25

Inflammatory Bowel Disease III: Crohn's Disease

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...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Inflammatory Bowel Disease IV: Clinical Manifestations01:20

Inflammatory Bowel Disease IV: Clinical Manifestations

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 disease course is marked...
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...

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Related Experiment Video

Updated: May 10, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis
08:40

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

[Perianal Crohn's disease].

Emanuel Burri1, Stephan R Vavricka

  • 1Gastroenterologie und Hepatologie, Stadtspital Triemli, Zürich. stephan.vavricka@usz.ch

Therapeutische Umschau. Revue Therapeutique
|June 26, 2013
PubMed
Summary
This summary is machine-generated.

Perianal fistulas in Crohn's disease affect up to 30% of patients. Management requires accurate diagnosis and tailored treatment, often combining medication and surgery for complex cases to improve outcomes.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Inflammatory Bowel Disease

Context:

  • Perianal lesions, including fistulas and abscesses, occur in 20-30% of Crohn's disease patients at diagnosis.
  • Accurate diagnosis of perianal fistulas is crucial for effective management.
  • Advanced imaging like MRI and endosonography aid in surgical planning and recurrence reduction.

Purpose:

  • To review diagnostic and therapeutic strategies for perianal fistulas in Crohn's disease.
  • To discuss the efficacy and limitations of various treatment modalities.
  • To highlight the importance of a multimodal approach for complex cases.

Summary:

  • Simple fistulas may be treated with antibiotics.
  • Complex fistulas often require combined medical (immunosuppressants, anti-TNF alpha blockers) and surgical interventions.
  • Surgical options range from fistulotomy for simple cases to fistulectomy with advancement flaps for complex fistulas, with considerations for sphincter preservation.

Impact:

  • Improved patient outcomes through optimized treatment selection.
  • Reduced recurrence rates and morbidity associated with perianal Crohn's disease.
  • Guidance for clinicians on managing a challenging complication of Crohn's disease.