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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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...
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...
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
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...

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Related Experiment Video

Updated: Jun 6, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

[Minimal bright red rectal bleeding: what should be considered?].

Marko Lehmann1, Andreas Stallmach

  • 1Klinik für Innere Medizin II, Abteilung for Gastroenterologie, Hepatologie und Infektiologie, Friedrich-Schiller-Universität Jena, marko.lehmann@med.uni-jena.de

Medizinische Monatsschrift Fur Pharmazeuten
|November 16, 2010
PubMed
Summary
This summary is machine-generated.

Blood in stool or on toilet paper is common but often ignored. Seek medical advice for diagnosis, as causes range from hemorrhoids to serious conditions like cancer.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Internal Medicine

Context:

  • Blood in faeces is a prevalent symptom across all age demographics.
  • Patients frequently underreport or delay seeking medical attention for rectal bleeding.
  • The symptom necessitates a broad differential diagnosis due to diverse underlying causes.

Purpose:

  • To highlight the importance of medical consultation for patients experiencing blood in faeces.
  • To underscore the necessity of considering both benign and malignant etiologies.
  • To advocate for endoscopic investigation in the diagnostic workup.

Summary:

  • Rectal bleeding, while often due to benign anorectal conditions such as hemorrhoids, can also indicate serious pathologies including colorectal neoplasias and inflammatory bowel disease.
  • A comprehensive diagnostic approach is crucial, despite the commonality of the symptom.
  • Physician evaluation and discussion of endoscopic procedures are recommended for all patients presenting with this symptom.

Impact:

  • Enhances patient awareness regarding the significance of rectal bleeding symptoms.
  • Promotes timely medical intervention, potentially improving outcomes for serious conditions.
  • Guides clinicians in the appropriate diagnostic pathway for patients with faecal blood loss.