Pediatrics The IgA anti TTG (Tissue Transglutaminase) is a sensitive marker for diagnosis of: A Celiac Disease B Eosinophilic Gastroenteritis C Primary Immunodeficiency D Crohn's Disease 💡 Explanation The IgA anti TTG (Tissue Transglutaminase) is a sensitive marker for diagnosis of: ✓ Correct Answer: A. Celiac Disease