Related Experiment Video
Updated: Jun 10, 2026
Chronic Salmonella Infection Induced Intestinal Fibrosis
Published on: September 22, 2019
Overlap, common features, and essential differences in pediatric granulomatous inflammatory bowel disease
Gerard M Damen1, J Han van Krieken, Esther Hoppenreijs
1Department of Paediatrics, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. g.damen@cukz.umcn.nl
Insights
Pediatric granulomatous inflammatory bowel diseases like Crohn disease (CD), sarcoidosis, and chronic granulomatous disease (CGD) share overlapping symptoms. Differentiating these conditions requires careful clinical and histological examination for accurate diagnosis and treatment.
Area of Science:
- Gastroenterology and Immunology
- Pediatric Inflammatory Diseases
- Differential Diagnosis in Granulomatous Conditions
Background:
- Pediatric granulomatous inflammatory bowel diseases (IBD) often present with overlapping clinical features, complicating diagnosis.
- Conditions such as Crohn disease (CD), sarcoidosis, and chronic granulomatous disease (CGD) can manifest with similar gastrointestinal and systemic symptoms.
- Nonspecific markers like anemia and elevated inflammatory markers are common across these granulomatous IBDs.
Purpose of the Study:
- To review and compare the clinical presentations and diagnostic approaches for pediatric granulomatous IBDs.
- To highlight commonalities and key differences in diagnosis, including histology, among CGD, sarcoidosis, and CD.
- To provide guidance on specific diagnoses and treatments for these complex conditions.
Main Methods:
- Review of clinical presentations, diagnostic criteria, and histological findings of CGD, sarcoidosis, CD, abdominal tuberculosis, and Hermansky-Pudlak syndrome.
- Comparison of overlapping symptoms and specific differentiating features.
- Analysis of genetic susceptibility loci and immune defense mechanisms.
Main Results:
- CGD can present with granulomatous colitis, GI obstruction, and failure to thrive; specific histology shows macrophages with inclusions.
- Sarcoidosis may involve abdominal symptoms, growth failure, and hepatic granulomas; elevated angiotensin-converting enzyme is not consistently found.
- CD can present with granulomatous lung disease and gastrointestinal involvement; shared susceptibility loci exist with sarcoidosis.
Conclusions:
- Accurate differentiation of pediatric granulomatous IBDs is crucial and relies on a combination of clinical, histological, and potentially genetic data.
- Understanding the distinct and overlapping features of CGD, sarcoidosis, and CD is essential for effective management.
- This review provides a framework for diagnosing and treating these challenging pediatric conditions.
Abstract:
Overlap in the clinical presentation of pediatric granulomatous inflammatory bowel disease may be substantial, depending on the mode of presentation. Chronic granulomatous disease (CGD) may present with granulomatous colitis, perianal abscesses, hepatic abscesses or granulomas, failure to thrive, and obstruction of the gastrointestinal tract (including esophageal strictures and dysmotility, delayed gastric emptying, and small bowel obstruction). Anemia, thrombocytosis, elevated C-reactive protein and erythrocyte sedimentation rate, and hypoalbuminemia are nonspecific and may occur in any of the granulomatous inflammatory bowel diseases. In histology, macrophages with cytoplasmic inclusions will be rather specific for CGD. Sarcoidosis may present with abdominal pain or discomfort, diarrhea, weight loss, growth failure, delayed puberty, erythema nodosum, arthritis, uveitis, and hepatic granulomata. Only in 55% of the patients will angiotensin-converting enzyme be elevated. The noncaseating epithelioid granulomata will be unspecific. Bronchoalveolar lymphocytosis and abnormalities in pulmonary function are reported in sarcoidosis and in Crohn disease (CD) and CGD. Importantly, patients with CD may present with granulomatous lung disease, fibrosing alveolitis, and drug-induced pneumonitis. Sarcoidosis and concomitant gastrointestinal CD have been reported in patients, as well as coexistence of CD and sarcoidosis in siblings. Common susceptibility loci have been identified in CD and sarcoidosis. CD and CGD share defects in the defense mechanisms against different microbes. In the present review, common features and essential differences are discussed in clinical presentation and diagnostics--including histology--in CGD, sarcoidosis, and CD, together with 2 other granulomatous inflammatory bowel diseases, namely abdominal tuberculosis and Hermansky-Pudlak syndrome. Instructions for specific diagnosis and respective treatments are provided.
More Related Videos
Related Concept Videos
01:20Inflammatory Bowel Disease IV: Clinical Manifestations
01:30Inflammatory 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...
01:26Inflammatory Bowel Disease I: Introduction
01:25Inflammatory Bowel Disease III: Crohn's Disease
01:27Inflammatory 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...
01:17Chronic 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...