Related Experiment Video

Updated: Oct 6, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

[Ulcer of the colon and Mallory-Weiss syndrome (author's transl)]

R Andre, P Emonts, R Kiekens

    Acta Chirurgica Belgica
    |July 1, 1976
    PubMed

    Insights

    A 71-year-old man experienced upper and lower gastrointestinal bleeding. Endoscopy revealed a Mallory-Weiss tear, while a left colic lesion was diagnosed as ischemic colitis, highlighting diagnostic methods for colon lesions.

    Area of Science:

    • Gastroenterology
    • Diagnostic Imaging

    Background:

    • Gastrointestinal hemorrhage can originate from various sources, necessitating accurate diagnosis.
    • Mallory-Weiss syndrome is a common cause of upper gastrointestinal bleeding.
    • Ischemic colitis presents a diagnostic challenge in the lower gastrointestinal tract.

    Observation:

    • A 71-year-old male presented with both upper and lower gastrointestinal bleeding without signs of shock.
    • Esophagogastroduodenoscopy identified a laceration of the gastric cardia, consistent with Mallory-Weiss syndrome.
    • The lower gastrointestinal hemorrhage was linked to a lesion in the left colon, suspected to be ischemic colitis.

    Findings:

    • Endoscopy is crucial for diagnosing upper gastrointestinal lesions like Mallory-Weiss syndrome.
    • Colonoscopy and barium enema are valuable tools for differentiating colonic lesions, including ischemic colitis.
    • The combined diagnostic approach facilitated the identification of the bleeding sources.

    Implications:

    • Accurate differentiation of upper and lower GI bleeding sources is essential for appropriate management.
    • Utilizing endoscopic and imaging techniques aids in diagnosing complex cases of gastrointestinal bleeding.
    • This case underscores the importance of a comprehensive diagnostic strategy for patients with obscure GI bleeding.

    More Related Videos

    Ileectomy-induced Bile Overaccumulation in Mouse Intestine06:55

    Ileectomy-induced Bile Overaccumulation in Mouse Intestine

    Published on: August 21, 2017

    Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch00:08

    Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

    Published on: August 24, 2019

    Related Concept Videos

    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 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...
    Inflammatory Bowel Disease V: Surgical Management01:21

    Inflammatory Bowel Disease V: Surgical Management

    Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
    Here are some common surgical interventions for IBD:
    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 II: Ulcerative Colitis01:20

    Inflammatory Bowel Disease II: Ulcerative Colitis

    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 BarrierA...
    Diverticular Disease of the Colon01:27

    Diverticular Disease of the Colon

    Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...