抄録
Ruptured blood blister-like aneurysms (BBAs) result in a high rate of acute morbidity and mortality. We report a case of ruptured BBA successfully treated with stent-assisted coil embolization. A 41-year-old man presented with subarachnoid hemorrhage caused by a ruptured internal carotid artery BBA located distal to the posterior communicating artery. The right anterior choroidal artery originated just behind the aneurysm; thus, surgical treatment for the present case carried the risk of ischemic complications. We treated the BBA with stent-assisted coil embolization using the semi-jailing technique. The patient had an uneventful postoperative course, and was discharged home 28 days after symptom onset. This case suggests that stent-assisted coil embolization using the semi-jailing technique is an effective treatment for ruptured BBAs.