Co-occurrence of celiac disease and ulcerative colitis in an Iranian girl

Celiac disease and inflammatory bowel disease co-occurrence are rare. Here we describe a 5-year-old girl with a history of lower gastrointestinal bleeding and elevated anti-tissue transglutaminase was reported. In upper gastrointestinal endoscopy, villous blunting and increased intraepithelial lymphocytes (80-85 per 100 lymphocytes) were reported. Lymphoplasmacytic infiltration of colonic mucosa, moderate cryptitis, and crypt abscess, and irregular gland were seen.