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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

1.5K
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,...
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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
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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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.
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...
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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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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:
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Related Experiment Video

Updated: Mar 1, 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

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Does painless rectal bleeding equate to a colonic polyp?

Alison Morag Campbell1, Ian Sugarman1

  • 1Leeds General Infirmary, Leeds, UK.

Archives of Disease in Childhood
|May 28, 2017
PubMed
Summary
This summary is machine-generated.

Painless rectal bleeding is the most common symptom of rectal polyps in children, but only 19.5% of these patients have polyps. A higher polyp detection rate of 28% was observed when rectal bleeding and mucous per rectum were present.

Keywords:
Colonic polypsColonoscopyRectal bleeding

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Related Experiment Videos

Last Updated: Mar 1, 2026

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Area of Science:

  • Pediatric Gastroenterology
  • Colorectal Surgery
  • Diagnostic Endoscopy

Background:

  • Rectal polyps are commonly suspected in children presenting with painless rectal bleeding.
  • This study evaluates the diagnostic accuracy of this clinical assumption.

Purpose of the Study:

  • To assess the correlation between painless rectal bleeding and the presence of rectal polyps in pediatric patients.
  • To determine the diagnostic yield of endoscopy for rectal polyps based on presenting symptoms.

Main Methods:

  • A prospective database of children undergoing flexible sigmoidoscopy or colonoscopy between 2000 and 2014 was analyzed.
  • Symptoms including abdominal pain, diarrhea, mucous per rectum, and rectal bleeding were recorded.
  • Endoscopic findings, specifically polyp detection rates, were correlated with presenting symptoms.

Main Results:

  • Out of 401 children who underwent endoscopy for rectal bleeding, 42 (10.5%) had polyps.
  • Painless rectal bleeding alone was the symptom in 123 patients, with a polyp detection rate of 19.5%.
  • The polyp detection rate increased to 28% in the presence of both rectal bleeding and mucous per rectum.

Conclusions:

  • While painless rectal bleeding is the most frequent symptom associated with rectal polyps in children, it is not a definitive diagnostic indicator.
  • Endoscopic evaluation is crucial for accurate diagnosis.
  • Combined symptoms of rectal bleeding and mucous per rectum increase the likelihood of detecting polyps, aiding in preoperative counseling.