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Related Concept Videos

Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

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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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Large Intestine01:09

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The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
The ileocecal sphincter, a mucous membrane fold, guards the opening from the ileum to the large intestine. This valve permits material from the small intestine to pass into the large intestine. Attached to the ileocecal valve is the cecum. This small pouch, approximately 6 cm long, has a twisted, coiled tube known as...
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Appendicitis01:19

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

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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:
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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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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
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Muscles of the Pelvic Floor and Perineum01:26

Muscles of the Pelvic Floor and Perineum

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The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer.
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Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice
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Rectal pseudodiverticulum.

Saurabh Singh1, Louis Savage1

  • 1Department of General and Colorectal Surgery, Barnet and Chase Farm Hospitals NHS Trust, London, UK.

BMJ Case Reports
|July 10, 2014
PubMed
Summary
This summary is machine-generated.

Recurrent rectal adenomas can lead to rare rectal diverticula. Repeated endoscopic or surgical treatments may weaken the rectal wall, causing pseudodiverticula formation.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery

Background:

  • A 77-year-old woman presented with a 7-month history of change in bowel habit and rectal bleeding.
  • Initial diagnosis was a tubulovillous rectal adenoma, treated transanally.

Observation:

  • The rectal adenoma recurred five times over a 12-year period.
  • The most recent endoscopy revealed adenoma recurrence and a newly identified rectal diverticulum.

Findings:

  • Rectal diverticula are uncommon, with limited existing literature.
  • The recurrent nature of the adenoma and its treatments are hypothesized to have caused rectal wall weakness.

Implications:

  • This case highlights a rare complication of recurrent rectal adenomas.
  • Repeated interventions may predispose patients to developing rectal pseudodiverticula.