Related Experiment Video
Updated: Jun 24, 2026
07:41
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
Polypoid mucosal prolapse in a pelvic ileal reservoir
J M Blazeby1, P Durdey, B F Warren
1University Department of Surgery, Bristol Royal Infirmary.
Gut
|November 1, 1994
Summary
A polypoid mucosal prolapse occurred in a patient with an ileoanal pouch for ulcerative colitis. This rare complication highlights that ileoanal pouches can experience rectal disorders.
Area of Science:
- Gastroenterology
- Colorectal Surgery
- Surgical Pathology
Background:
- Ulcerative colitis (UC) is an inflammatory bowel disease often treated with colectomy and ileoanal pouch (IP) creation.
- The ileoanal pouch functions as a neorectum, aiming to restore bowel continuity and function.
- Complications of ileoanal pouch surgery can include pouchitis, obstruction, and fistula formation.
Observation:
- A case report details a patient who developed a polypoid area of mucosal prolapse.
- This complication manifested three and a half years after ileoanal pouch construction for ulcerative colitis.
- The prolapse occurred within the pelvic ileal reservoir, mimicking rectal disorders.
Findings:
- This represents the first reported instance of polypoid mucosal prolapse in an ileoanal pouch.
- The findings suggest that the ileoanal pouch, acting as a neorectum, is susceptible to familiar rectal pathologies.
- Mucosal prolapse is a recognized complication in the native rectum.
Implications:
- This case expands the spectrum of known ileoanal pouch complications.
- It underscores the importance of recognizing rectal-like disorders within the ileoanal pouch.
- Further investigation may be warranted to understand the pathophysiology and management of this specific complication.
Related Concept Videos
01:26Muscles of the Pelvic Floor and Perineum
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.
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
01:21Drugs for Treatment of Constipation-Predominant IBS
Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...
01:21Inflammatory 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:
Here are some common surgical interventions for IBD:
01:07Intestinal 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...
01:27Diverticular 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...
01:19Appendicitis
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...