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Inflammatory Bowel Disease II: Crohn's Disease

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 III: Crohn's Disease

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: Introduction

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 Manifestations

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: Introduction

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...

Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents

Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents

Crohn's disease is an inflammatory bowel disorder marked by chronic inflammation of the GI tract. Various treatment strategies for Crohn's disease are employed, such as immunomodulatory agents, glucocorticoids, and biologics or anti-TNF therapy. Azathioprine (Imuran), a commonly used immunomodulatory drug for Crohn's disease, is converted in the body to mercaptopurine, which inhibits purine biosynthesis and cell proliferation. Both are utilized in severe cases of Inflammatory Bowel Disease...

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Related Experiment Video

Updated: Jul 2, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

[Crohn disease and psoriasis].

O Iu Rakhimova, Iu A Vinogradov, M Iu Iurkov

Klinicheskaia Meditsina

|September 2, 2008

Summary

This case highlights Crohn's disease diagnosis, where a psoriatic skin rash was the initial symptom. Early recognition of such dermatological signs is crucial for timely Crohn's disease management.

Area of Science:

Dermatology
Gastroenterology
Clinical Case Study

Background:

Crohn's disease is a chronic inflammatory bowel disease.
Cutaneous manifestations are common in Crohn's disease, but often appear after diagnosis.
Psoriasis is a distinct dermatological condition.

Observation:

A patient presented with a skin rash exhibiting psoriatic characteristics.
This dermatological presentation preceded other typical symptoms of Crohn's disease.
Diagnostic workup confirmed Crohn's disease.

Findings:

The psoriatic-like rash served as the initial clinical manifestation of Crohn's disease.
This case underscores the potential for unusual dermatological signs to be early indicators of inflammatory bowel disease.

Related Experiment Videos

Last Updated: Jul 2, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

Diagnostic challenges can arise when skin conditions precede gastrointestinal symptoms.

Implications:

Highlights the importance of considering inflammatory bowel disease in patients with unexplained psoriatic rashes.
Suggests a need for heightened awareness among dermatologists and gastroenterologists regarding this diagnostic possibility.
May inform earlier diagnosis and treatment of Crohn's disease, potentially improving patient outcomes.