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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...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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:
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...
Anatomy of the Intestines01:23

Anatomy of the Intestines

Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the small...
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: May 20, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

Adult idiopathic jejuno-ileal intussusception.

N Nkwam1, A Desai, S Radley

  • 1Colorectal Surgery, Queen Elizabeth Hospital, Birmingham, West Midlands, UK. mnkwam@doctors.org.uk

BMJ Case Reports
|July 17, 2012
PubMed
Summary

A 67-year-old woman experienced persistent abdominal pain and weight loss, initially misdiagnosed as irritable bowel syndrome. Subsequent imaging revealed recurrent small bowel intussusception, successfully treated with surgery.

Area of Science:

  • Gastroenterology
  • Surgical Pathology
  • Diagnostic Imaging

Background:

  • A 67-year-old female with a history of multiple abdominal surgeries presented with chronic, intermittent abdominal pain and diarrhea.
  • Initial investigations, including blood tests and a CT scan, were unremarkable, leading to a diagnosis of irritable bowel syndrome (IBS).

Observation:

  • Over three years, symptoms persisted and worsened, including vomiting and significant weight loss.
  • A barium follow-through and CT scan eventually identified a small bowel intussusception.
  • The first laparotomy revealed only an adhesional band, which was divided. However, symptoms recurred post-discharge.

Findings:

  • A repeat CT scan confirmed a recurrent small bowel intussusception.
  • A second laparotomy successfully identified and reduced a jejuno-ileal intussusception.

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Multimodality Diagnosis of Mesenteric Ischemia

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Related Experiment Videos

Last Updated: May 20, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

  • The intussusception was resected with a primary anastomosis, and the patient had an uncomplicated postoperative recovery.

    • Implications:

    • This case highlights the importance of considering intussusception in patients with recurrent, unexplained abdominal symptoms, especially those with prior abdominal surgery.
    • It underscores the diagnostic challenges and potential for misdiagnosis, such as confusing intussusception with IBS.
    • Successful surgical intervention, including resection and anastomosis, can effectively resolve intussusception and improve patient outcomes.