Abstract
A 54-year-old woman presented to our emergency department with severe acute abdominal pain and fever. Computed tomography revealed a mass with a diameter of 8 cm in the mesentery of the small intestine and free air around the mass. We performed emergency surgery for acute peritonitis. The tumor was located in the mesentery of the small intestine and had ruptured. The tumor had infiltrated the transverse colon, but perforation of the colon was not confirmed. Histological examination revealed a desmoid tumor comprising spindle cells with collagen fibers.
We report a case of ruptured mesenteric desmoid tumor of the small intestine that caused acute peritonitis and required emergency surgery.
