What is the differential diagnosis of the biopsy showing villous blunting?
- Allergy to other proteins (e.g., cow’s milk in the pediatric population)
- Dermatitis herpetiformis
- Nonsteroidal antiinflammatory drugs (NSAIDs)
- Peptic duodenitis
- Giardiasis
- Tropical sprue
- Crohn’s disease
- Severe malnutrition
- Bacterial overgrowth
- Common variable immunodeficiency
- Autoimmune enteropathy
- Graft-versus-host disease (GVHD)
- Zollinger-Ellison syndrome
- Chemotherapy effect