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Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
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Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

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Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
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Other Disorders of Digestive System01:30

Other Disorders of Digestive System

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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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.
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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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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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
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Chronic Bowel Disorders: Introduction01:17

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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.
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Updated: Sep 4, 2025

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
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Celiac Disease: Common Questions and Answers.

Pamela M Williams, Lisa M Harris, Michael R Odom

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    |July 15, 2022
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    Summary

    Celiac disease is an immune-mediated disorder triggered by gluten exposure in susceptible individuals. Lifelong adherence to a strict gluten-free diet is the primary treatment for this condition.

    Area of Science:

    • Gastroenterology
    • Immunology
    • Genetics

    Background:

    • Celiac disease is an immune-mediated, multisystem disorder.
    • It affects genetically susceptible individuals exposed to gluten (wheat, barley, rye).
    • Manifestations vary widely, appearing at any age, including gastrointestinal and extraintestinal symptoms.

    Purpose of the Study:

    • To outline the diagnostic approaches for celiac disease.
    • To describe the primary treatment and management strategies.
    • To address challenges in diagnosis and treatment, including refractory cases.

    Main Methods:

    • Initial screening involves immunoglobulin A tissue transglutaminase serologic testing.
    • Diagnosis confirmation typically requires esophagogastroduodenoscopy with small bowel biopsy.

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  • Biopsy may be waived in specific pediatric cases with high antibody titers and positive endomysial antibodies.

    • Main Results:

    • Serologic testing is the recommended initial screening for all age groups.
    • Diagnostic confirmation is usually achieved via endoscopy and biopsy, though exceptions exist.
    • A gluten-free diet is the cornerstone of lifelong management.

    Conclusions:

    • Accurate diagnosis and lifelong gluten-free diet are crucial for managing celiac disease.
    • Patient education and support are vital for dietary adherence and avoiding cross-contamination.
    • Refractory cases require specialized gastroenterological management.