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Related Concept Videos

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...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
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...
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
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...

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Related Experiment Video

Updated: May 18, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
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Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Published on: February 28, 2025

Mesenteric cysts associated with recurrent small-bowel volvulus: cause or effect?

Shailesh M Prabhu1, Rama Anand, Mahender K Narula

  • 1Department of Radiodiagnosis, Lady Hardinge Medical College and Assoc. SSK and KSC Hospitals, Connaught Place, New Delhi 110001, India. shailesh182@gmail.com

Japanese Journal of Radiology
|September 19, 2012
PubMed
Summary

Recurrent small-bowel volvulus can be associated with mesenteric cysts. This study reports cases of lymphangioma and duplication cysts linked to long-standing volvulus without malrotation.

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A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

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Last Updated: May 18, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
04:14

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Published on: February 28, 2025

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

Area of Science:

  • Gastroenterology
  • Surgical Pathology
  • Pediatric Surgery

Background:

  • Recurrent small-bowel volvulus involves intermittent or persistent twisting of small bowel loops around the mesentery.
  • The relationship between mesenteric cysts and recurrent small-bowel volvulus is debated.
  • Congenital anomalies and acquired conditions can predispose to volvulus.

Observation:

  • This report details three cases of recurrent small-bowel volvulus.
  • Two cases involved mesenteric lymphangioma.
  • One case involved an enteric duplication cyst.

Findings:

  • Mesenteric lymphangiomas and enteric duplication cysts were observed in association with long-standing recurrent small-bowel volvulus.
  • The patients did not have intestinal malrotation.
  • These findings suggest a potential link between these cysts and volvulus development.

Implications:

  • Understanding this association may improve diagnosis and management of recurrent small-bowel volvulus.
  • Further research is needed to elucidate the causal relationship.
  • This highlights the importance of considering mesenteric abnormalities in pediatric patients with unexplained small-bowel volvulus.