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Related Concept Videos

Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
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...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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,...
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...

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Updated: Jun 21, 2026

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children

Published on: September 11, 2018

Enteroliths and other foreign bodies.

Rebecca L Pierce1

  • 1Department of Large Animal Clinical Sciences, The University of Tennessee College of Veterinary Medicine, 2407 River Drive, Knoxville, TN 37996, USA. rpierc10@utk.edu

The Veterinary Clinics of North America. Equine Practice
|July 8, 2009
PubMed
Summary
This summary is machine-generated.

Intraluminal bodies like enteroliths, bezoars, and foreign objects can cause large intestine obstructions. Treatment and clinical presentation for these obstructive diseases are similar, irrespective of the specific intraluminal cause.

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Area of Science:

  • Gastroenterology
  • Veterinary Medicine

Background:

  • Large intestinal obstructions can arise from intraluminal masses.
  • These obstructions impact the large and small colons.

Purpose of the Study:

  • To review obstructive diseases of the large intestine caused by intraluminal bodies.
  • To categorize these obstructions and discuss clinical presentation and treatment.

Main Methods:

  • Literature review of obstructive diseases in the large intestine.
  • Categorization of intraluminal causes: enteroliths, bezoars, foreign objects.

Main Results:

  • Large intestinal obstructions are classified into enteroliths, bezoars, and foreign objects.
  • Clinical presentation and treatment protocols are consistent across these categories.

Conclusions:

  • Intraluminal bodies are a significant cause of large intestinal obstruction.
  • Management strategies for these obstructions are broadly similar regardless of the etiological agent.