Related Experiment Video
Updated: Jul 19, 2026
04:05
A Rat Model of Pouchitis Following Proctocolectomy and Ileal Pouch-Anal Anastomosis Using Dextran Sulfate Sodium
Published on: May 31, 2024
MRI of complicated pouchitis.
Rohini N Nadgir1, Jorge A Soto, Klea Dendrinos
1Department of Radiology, Boston University Medical Center, 88 E Newton St., 2nd Floor, Boston, MA 02118, USA.
AJR. American Journal of Roentgenology
|September 21, 2006
Summary
Magnetic resonance imaging (MRI) can identify inflammation in patients with suspected complicated pouchitis after ileal pouch-anal anastomosis. MRI findings may suggest Crohn's disease, warranting further investigation.
Area of Science:
- Gastroenterology
- Radiology
- Surgical Outcomes
Background:
- Ileal pouch-anal anastomosis (IPAA) is a surgical procedure for ulcerative colitis and familial adenomatous polyposis.
- Complicated pouchitis can significantly impact patient quality of life and requires accurate diagnosis.
Purpose of the Study:
- To evaluate the diagnostic performance of MRI in detecting inflammation in symptomatic patients with suspected complicated pouchitis following IPAA.
Main Methods:
- Retrospective analysis of MRI examinations in patients with clinically suspected complicated pouchitis.
- Correlation of MRI findings with clinical diagnosis and outcomes.
Main Results:
- MRI identified abnormalities consistent with complicated pouchitis in 7 out of 9 patients.
- Common findings included pouch wall thickening, abnormal enhancement, fluid collections, sinus tracts, lymphadenopathy, and peripouch stranding.
Conclusions:
- MRI is a valuable tool for diagnosing complicated pouchitis in patients with IPAA.
- MRI findings suggestive of complicated pouchitis should prompt consideration of Crohn's disease and further evaluation.
Related Concept Videos
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:
01:29Appendicitis-II: Diagnostic Studies and Management
Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
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...
01:27Imaging Studies IV: Magnetic Resonance Imaging
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
01:22Appendicitis-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...
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...
01:22Imaging Studies VI: Voiding Cystourethrography and Cystography
Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...