Terminal ileitis is a limited inflammation of the terminal ileum, adjacent to the ileum-blind (bauhinia) valve (Crohn's disease). The etiology is not clear. There are acutely inflammatory, ulcerative, stenotic and fistulous forms. Morphologically revealed catarrhal-hemorrhagic inflammation with subsequent ulceration, wall sclerosis and narrowing of the lumen. Clinic: acute inflammatory form of symptoms like appendicitis (see); chronic forms - slowly progressive intestinal obstruction (see Intestinal Obstruction). Surgical treatment.