Lower gastrointestinal bleeding secondary to dieulafoy-like lesion of the rectum

Two cases of gastrointestinal hemorrhage resulting from Dieulafoy-like lesi on of the rectum are presented. Both patients developed acute episodes of m assive lower gastrointestinal hemorrhage requiring transfusions. Colonoscop y was performed in both instances and lesions were localized. The patients were successfully treated by alcohol and epinephrine injection. Colonoscopy assisted in earlier diagnosis and added therapeutic options to the treatme nt regimen for this lesion.