Systemic proliferation of mast cells (mastocytosis in adult age) with special localization in the digestive tract.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001706:Biopsy; D001856:Bone Marrow Examination; D002648:Child; D002675:Child, Preschool; D004064:Digestive System / Q000473:pathology*; D005500:Follow-Up Studies; D005753:Gastric Mucosa / Q000473:pathology; D006801:Humans; D007223:Infant; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008407:Mast Cells; D014582:Urticaria Pigmentosa / Q000473:pathology*