・ Autoimmune enteropathy

・ HIV enteropathy

・ Common immunedeficiency variable

・ Eosinophilic enteritis

・ Vasculitis

・ Intestinal lymphoma

・ Mastocytosis

・ Hypogammaglobulinemia

・ Chronic small intestine ischemia

・ Tropical sprue

・ Amyloidosis

・ Whipple Disease

・ Parasitosis

・ Helicobacter pylori infection

・ Bacterial overgrowth

・ Tuberculosis

・ Zolliger-Ellison Syndrome

・ Crohn’s Disease