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A woman who had a spontaneous subarachnoid hemorrhage (SAH) and temporal intracerebral hemorrhge (ICH) without any causative lesions on computed tomography (CT) and digital angiography at the day of the stroke. She was considered to have an angiographically negative SAH and scheduled for a repeated angiography. While she was waiting for the next study, she developed a second hemorrhage. CT angiography showed an aneurysmal shadow in the course of the posterior cerebral artery. After the operation, the aneurysm proved to be a pseudoaneurysm.


A woman who had a spontaneous subarachnoid hemorrhage [SAH] and temporal intracerebral hemorrhge [ICH] without any causative lesions on computed tomography [CT] and digital angiography at the day of the stroke. She was considered to have an angiographically negative SAH and scheduled for a repeated angiography. While she was waiting for the next study, she developed a second hemorrhage. CT angiography showed an aneurysmal shadow in the course of the posterior cerebral artery. After the operation, the aneurysm proved to be a pseudoaneurysm.