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regional enteritis


Definition: a subacute chronic enteritis, of unknown cause, involving the terminal ileum and less frequently other parts of the gastrointestinal tract; characterized by patchy deep ulcers that may cause fistulae, and by narrowing and thickening of the bowel by fibrosis and lymphocytic infiltration, with noncaseating tuberculoid granulomas that also may be found in regional lymph nodes; symptoms include fever, diarrhea, cramping abdominal pain, and weight loss.

Synonym(s): chronic cicatrizing enteritis, Crohn disease, distal ileitis, regional ileitis, terminal ileitis, granulomatous enteritis

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.