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Related Concept Videos

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:
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...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:

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Updated: May 30, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

Ileosigmoid knot: A case report.

Akshay D Baheti1, Darshana Patel, Priya Hira

  • 1Department of Radiology, Seth GS Medical College and KEM Hospital, Mumbai, India.

The Indian Journal of Radiology & Imaging
|July 30, 2011
PubMed
Summary
This summary is machine-generated.

Ileosigmoid knot, a rare cause of intestinal obstruction, requires immediate surgery. Prompt diagnosis via CT scan is crucial for successful treatment and good patient outcomes.

Keywords:
Compound volvulusileosigmoid knotintestinal obstruction

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Area of Science:

  • Gastroenterology
  • Surgical Pathology
  • Diagnostic Imaging

Background:

  • Ileosigmoid knot is a rare but life-threatening condition causing closed-loop intestinal obstruction.
  • Unlike simple volvulus, it necessitates immediate surgical intervention.

Observation:

  • CT scan findings suggestive of ileosigmoid knot include simultaneous ileal and sigmoid ischemia with interposed non-ischemic colon.
  • The 'whirl sign' on CT, indicating twisted mesenteric vessels, is a key diagnostic indicator.

Findings:

  • Medial deviation of the distal descending colon and cecum is observed.
  • Convergence of superior mesenteric vessels toward the sigmoid colon on CT scan aids in diagnosis.

Implications:

  • Early CT diagnosis and prompt surgical treatment of ileosigmoid knot can significantly improve patient prognosis.
  • Recognizing specific CT findings is vital for timely and appropriate management of this surgical emergency.