RUPTURED DISSECTING VERTEBRAL ARTERY ANEURYSM DETECTED BY REPEATED ANGIOGRAPHY - CASE-REPORT

A CASE OF a ruptured dissecting aneurysm of the vertebral artery, whic h was detected by repeated angiography (third time), is reported. A 59 -year-old woman, whose preoperative angiogram showed no abnormality, u nderwent a bifrontal craniotomy and the total removal of the right fro ntal glioma. However, a subarachnoid hemorrhage was detected by comput ed tomography the day after the surgery. Conventional angiography perf ormed on the same day revealed no definite abnormality. Nevertheless, 9 days after surgery, a second subarachnoid hemorrhage occurred. The d issecting aneurysm of the vertebral artery was revealed by angiography . It is important to suspect this type of aneurysm as a differential d iagnosis when the cause of the subarachnoid hemorrhage is not clarifie d in the first angiogram.