RT Journal Article SR Electronic T1 Perforation of an adenocarcinoma of the small bowel affected by regional enteritis. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1093 OP 1096 DO 10.1136/gut.21.12.1093 VO 21 IS 12 A1 J Heathcote A1 C M Knauer A1 D Oakes A1 R W Archibald YR 1980 UL http://gut.bmj.com/content/21/12/1093.abstract AB This report is of a patient with long-term small bowel regional enteritis who presented with a perforation of an adenocarcinoma involving a diseased portion of ileum. Adenocarcinoma of the small bowel is rare. The incidence of small bowel adenocarcinoma may be higher in patients with regional enteritis, but a definite relationship cannot be established on the basis of data presently available. Small bowel adenocarcinoma in regional enteritis usually presents with obstructive symptoms.