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Recurrent mesenteric desmoid tumors with multiple peritoneal dissemination: a case report and review of desmoid in Japan.

We report, herein, on the first case of a mesenteric desmoid tumor with multiple peritoneal dissemination. A 73 year-old Japanese woman, who had a history of uterine cancer that was treated with hysterectomy followed by a high dose of irradiation 25 years ago, had an unknown stenosis of the sigmoid colon, which was treated with partial resection of the stenosed colon 6 years ago, and then resulted in multiple small bowel obstructions due to the recurrence of mesenteric desmoids. The clinical behavior of this tumor is considered to be unpredictable. We emphasize that mesenteric desmoid tumors should be considered as one of the causes of stenosis of the colon and small bowel, and patients should receive careful follow-up after unknown stenosis.