A case of rectal Dieulafoy's ulcer and successful endoscopic sclerotherapy

A 54-year-old woman presented a massive hematochezia 7 days after sigmoidec tomy. Repeated colonoscopy and angiography failed to locate the site of ble eding and Hartman's operation was performed. Rebleeding from the rectum on the day of operation occurred and pulsate arterial bleeding with minimal su rrounding ulcer 1 cm above the pectinate line was observed. Screlotherapy w ith ethanol and electro coagulation wits successfully performed to achieve permanent hemostasis. The importance of detailed rectal examination and an awareness of this clinical entity in life-threatening lower intestinal blee ding is discussed.