Pediatric Crohn Disease Differential Diagnoses
- Author: Andrew B Grossman, MD; Chief Editor: Carmen Cuffari, MD more...
Diagnostic Considerations
In addition to the conditions listed in the differential diagnosis (see below), other problems to be considered include the following:
- Infection
- Celiac disease
- Immunodeficiency
- Chronic granulomatous disease
- Radiation enteritis
- Ischemic enterocolitis
Differential Diagnoses
- Behcet Syndrome
- Graft Versus Host Disease
- Henoch-Schoenlein Purpura
- Irritable Bowel Syndrome
- Protein Intolerance
- Tuberculosis
- Ulcerative Colitis
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| Crohn Disease | Ulcerative Colitis | |
| Characteristic | ||
| Distribution | Entire GI tract | Colon only, although gastritis recognized |
| Skip lesions | Continuous involvement proximally from rectum | |
| Pathology | Full thickness | Mucosa only |
| Granulomas (30%) | No granulomas | |
| Radiology | Entire GI tract | Colon only |
| Skip lesions | Continuous involvement proximally from rectum | |
| Fistulas, abscesses, fibrotic strictures | Mucosal disease only | |
| Cancer risk | Increased | Estimated 1%/y, starting 10 y after diagnosis |
| Presentation | ||
| Bleeding | Common | Very common |
| Obstruction | Common | Uncommon |
| Fistula | Common | None |
| Weight loss | Common | Uncommon |
| Perianal disease | Common | Rare |
| GI = gastrointestinal. | ||

