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Crohn's disease and a gastrointestinal stromal tumor in an 81-year-old man--a rare coincidence.

We describe an 81-year old man presenting with ileus and two rare, pathologically distinct entities: gastrointestinal stromal tumor (GIST) and Crohn's disease. Within Meckel's diverticulum a polypous tumor, 3 cm in diameter, with preserved lumen was found. In the area of the terminal ileum, coecum and colon ascendens inflamed bowel loops were fixed together with fibrous adhesions. Partial resection of the ileum with end-to-end anastomosis and right hemicolectomy with resection of the terminal ileum and end-to-end ileotransverse anastomosis were performed. Pathohistological and immunohistochemical examination revealed the polypous tumor as GIST. Changes in terminal ileum, coecum and colon ascendens were referred as Crohn's disease. Although adenocarcinoma is well known in chronic, long-standing inflammatory bowel disease, other primary intestinal tumors are rare in those patients. Furthermore, Crohn's disease can be a part of differential diagnosis of ileus, also in such an old man.

Crohn Disease ; GIST

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