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Related Concept Videos

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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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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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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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.
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Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents01:17

Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents

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Diarrhea, a condition marked by frequent loose or watery bowel movements, can be triggered by multiple factors such as viral or bacterial infections, food intolerances, anxiety, medications, and digestive disorders. Symptoms may include abdominal pain, bloating, nausea, and cramping. Severe or prolonged diarrhea can lead to complications like electrolyte imbalances, malnutrition, and dehydration if left untreated.
Opioids, widely used antidiarrheal agents, mitigate diarrhea by slowing down...
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Drugs Affecting GI Tract Motility: Other Laxatives01:20

Drugs Affecting GI Tract Motility: Other Laxatives

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Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
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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.
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Related Experiment Video

Updated: Sep 21, 2025

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

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Colonic Trichobezoar Causing Acute Large Bowel Obstruction.

Michelle R McCullers1, Alexandros Coutsoumpos1, Jeffrey C Chiu1

  • 1440172AdventHealth Orlando, Orlando, FL, USA.

The American Surgeon
|May 27, 2022
PubMed
Summary
This summary is machine-generated.

A rare case of a large bowel obstruction caused by a trichobezoar (hair mass) was reported in an 81-year-old male. Surgical removal was successful, highlighting this unusual cause of intestinal blockage.

Keywords:
bezoarcoloniclarge bowelobstructiontrichobezoar

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Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Trichobezoars are indigestible hair masses in the gastrointestinal tract, often linked to trichotillomania and trichophagia.
  • While commonly found in the stomach and small intestine, large bowel obstruction is rare.

Observation:

  • An 81-year-old male presented with a month of abdominal pain, nausea, vomiting, and constipation.
  • CT revealed a mechanical obstruction in the splenic flexure with pneumatosis, indicating a complete large and small bowel obstruction.
  • Exploratory laparotomy identified and removed an obstructive intraluminal mass in the transverse colon, followed by a colostomy.

Findings:

  • Pathology confirmed the mass to be composed of hair and fecal material, diagnosing a colonic obstruction due to trichobezoar.
  • The case highlights a rare presentation of trichobezoar causing significant bowel obstruction.

Implications:

  • This case underscores the importance of considering rare etiologies like trichobezoars in the differential diagnosis of bowel obstruction, even in the large intestine.
  • Prompt surgical intervention is crucial for managing complete intestinal obstruction caused by such masses.