66-year-old female underwent a left suboccipital craniotomy for resection of a tentorial meningioma. The postoperative course has been difficult, marked by deterioration associated with posterior temporal and cerebellar edema and hemorrhage. First she seems to be in good general conditions showing only a slight strength deficiency in the left upper limb, but about a month after the surgery she started showing asthenia and melena, and esophageal gastroduodenoscopy revealed a sclerosis of active arterial bleeding from duodenal ulcer.