Related Experiment Video
Updated: Jun 11, 2026

Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice
Published on: July 12, 2018
Indeterminate colitis: a distinctive clinical pattern of inflammatory bowel disease in children
Claudio Romano1, Annalisa Famiani, Romina Gallizzi
1University of Messina, Department of Pediatrics, Viale Gazzi, 98122 Messina, Italy. romanoc@unime.it
Insights
Indeterminate colitis, a severe pediatric inflammatory bowel disease subgroup, presents unique challenges. Surgical interventions like ileal pouch-anal anastomosis show higher complication rates in these patients, necessitating cautious management.
Area of Science:
- Pediatric Gastroenterology
- Inflammatory Bowel Disease Research
Background:
- Inflammatory bowel diseases (IBD), including Crohn disease and ulcerative colitis, are common in children.
- Indeterminate colitis (IC) is a distinct subgroup of pediatric IBD, often presenting with early-onset, rapidly progressive pancolitis.
- IC is defined by overlapping features of ulcerative colitis and Crohn disease.
Purpose of the Study:
- To review the characteristics and management considerations for indeterminate colitis in pediatric patients.
- To highlight the surgical outcomes of ileal pouch-anal anastomosis in indeterminate colitis compared to ulcerative colitis.
Main Methods:
- Literature review and analysis of clinical data pertaining to pediatric inflammatory bowel disease.
- Comparative assessment of surgical complication rates for ileal pouch-anal anastomosis in ulcerative colitis versus indeterminate colitis.
Main Results:
- Indeterminate colitis is characterized by severe, progressive pancolitis with features overlapping both Crohn disease and ulcerative colitis.
- Ileal pouch-anal anastomosis, a standard treatment for ulcerative colitis, demonstrates increased complication rates in patients with indeterminate colitis.
Conclusions:
- Management of indeterminate colitis requires careful consideration, especially during severe attacks necessitating surgical intervention.
- Caution is advised when considering ileal pouch-anal anastomosis for pediatric patients diagnosed with indeterminate colitis due to heightened surgical risks.
Abstract:
Inflammatory bowel diseases such as Crohn disease and ulcerative colitis are frequently clinical conditions in children. Another clinical entity, indeterminate colitis, is considered a subgroup of pediatric inflammatory bowel disease. It is generally characterized by early onset in the first years of life, and clinical behavior is rapidly progressive to pancolitis. The definition of indeterminate colitis has changed over the years, but it is usually used to identify severe colitis with overlapping features of ulcerative colitis and Crohn disease. Ileal pouch-anal anastomosis is the surgical treatment of choice for patients with ulcerative colitis, but increased rates of complications have been found in indeterminate colitis. Therefore, it is better to be cautious in patients with indeterminate colitis who present with severe attacks and require surgery.
Related Concept Videos
Chronic Bowel Disorders: Introduction
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by transmural...
Inflammatory Bowel Disease I: Introduction
Inflammatory Bowel Disease II: Ulcerative Colitis
Inflammatory Bowel Disease IV: Clinical Manifestations

