Colonoscopic examination at that time indicated a submucosal tumor (SMT), 15 mm in diameter, in the ascending colon near Bauhin's valve. Hemangioma was suspected. She was then admitted to our ...

An abdominal radiograph shows signs of colonic dilatation, especially marked in the cecum and ascending colon. Colonic perforation occurs in about 5% of cases, with the patient demonstrating more ...