Ulcerative Colitis in Children Differential Diagnoses
- Author: Judith R Kelsen, MD; Chief Editor: Carmen Cuffari, MD more...
Diagnostic Considerations
Consider the following medical issues in making a diagnosis:
- Pseudomembranous (Clostridium difficile) colitis
- Infectious colitis (due to Escherichia coli or Yersinia, Salmonella, or Shigella species)
Crohn disease
Colonoscopic findings more consistent with Crohn disease (CD) than with UC are sparing of the rectal mucosa, aphthous ulceration, and noncontiguous or skip lesions. When possible, visualizing the entire colon and the last portion of the ileum (terminal ileum) is critical, because the terminal ileum is not actively involved in UC but is commonly involved in CD. Noncaseating granulomas are diagnostic of CD.
ANCA is most commonly associated with UC but is present in only about 40% of patients with Crohn disease. ASCA is a serological marker that is more highly associated with CD, being present in 60% of cases of CD but in only 12% of UC patients.
Differential Diagnoses
- Amebiasis
- Hemolytic-Uremic Syndrome
- Henoch-Schoenlein Purpura
- Irritable Bowel Syndrome
- Salmonella Infection
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