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Related Concept Videos

Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
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 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...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...

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Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
08:51

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

Published on: August 24, 2019

Massive lower gastrointestinal bleeding from the appendix.

Kyu Sung Chung1, Jian Peng Gao

  • 1Department of Gastroenterology, The Affiliated YanAn Hospital of Kunming Medical College, Kunming, Yunnan, China.

Gut and Liver
|August 5, 2011
PubMed
Summary
This summary is machine-generated.

Massive rectal bleeding from the appendix is a rare cause of lower gastrointestinal bleeding. Early colonoscopy is crucial for diagnosing this life-threatening condition and guiding proper intervention.

Keywords:
Acute appendicitisAppendiceal bleedingColonoscopy

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Multimodality Diagnosis of Mesenteric Ischemia
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Multimodality Diagnosis of Mesenteric Ischemia

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

  • Gastroenterology
  • Surgical Pathology

Background:

  • Massive rectal bleeding is a rare presentation of lower gastrointestinal bleeding.
  • Appendiceal bleeding is often unrecognized by standard diagnostic tools.
  • A multidisciplinary approach is vital for diagnosing and managing appendiceal bleeding.

Purpose of the Study:

  • To report a case of massive rectal bleeding originating from the appendix.
  • To highlight the diagnostic utility of colonoscopy in identifying appendiceal bleeding.
  • To review the literature on appendiceal bleeding.

Main Methods:

  • Case report of a patient with massive rectal bleeding.
  • Diagnostic colonoscopy to identify the bleeding source.
  • Literature review on appendiceal bleeding.

Main Results:

  • Colonoscopy successfully identified the appendix as the source of massive rectal bleeding.
  • The patient's condition was life-threatening, emphasizing the need for prompt diagnosis.
  • Appendiceal bleeding can mimic other causes of lower gastrointestinal hemorrhage.

Conclusions:

  • Early colonoscopy is essential for diagnosing massive rectal bleeding from the appendix.
  • Appendiceal bleeding requires a high index of suspicion and a thorough diagnostic workup.
  • Effective management of appendiceal bleeding relies on accurate identification of the bleeding site.