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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,...
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...
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...
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,...
Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...

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Related Experiment Video

Updated: Jun 17, 2026

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

[Obstructions intestinal for cecal volvulus, report case].

Luiz Carlos Maciel1, Fernando Oliveira Salán, Guilherme Costa Guisard

  • 1Universidade de Taubaté, SP, BR. luizmaciel@unitau.br

Revista Do Colegio Brasileiro De Cirurgioes
|January 16, 2010
PubMed
Summary
This summary is machine-generated.

Cecal volvulus, a complication of intestinal malrotation, presents with obstruction symptoms. Diagnosis involves imaging and endoscopy, with treatment options ranging from colonoscopic reduction to surgery.

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Last Updated: Jun 17, 2026

A Mouse Model of Intestinal Partial Obstruction
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Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice
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Area of Science:

  • Gastroenterology
  • Surgical Gastroenterology
  • Abdominal Imaging

Background:

  • Cecal volvulus (CV) is a rare but serious condition often associated with intestinal malrotation.
  • It presents as a twisting of the cecum, leading to intestinal obstruction.

Observation:

  • Diagnosis relies on clinical presentation of intestinal obstruction.
  • Imaging modalities like abdominal radiography, contrast enema, and CT scans are crucial.
  • Colonoscopy can aid in diagnosis and therapeutic intervention.

Findings:

  • This case report highlights the diagnostic challenges and varied therapeutic approaches for cecal volvulus.
  • Treatment strategies encompass non-surgical (colonoscopic reduction) and surgical options (cecopexy, colectomy).

Implications:

  • Understanding diverse diagnostic and therapeutic behaviors is vital for managing cecal volvulus effectively.
  • Early and accurate diagnosis can prevent complications associated with intestinal obstruction.