A 70-year-old woman was admitted at the emergency department due to abdominal pain progressing over the last six hours. She had been feeling sick for the last month, with nausea and persistent fever. Initial work-up revealed mild anemia, elevated inflammatory markers and an unremarkable abdominal ultrasound. While at the emergency department, she suddenly progressed to coma, with admission to the intensive care unit. Both cranial CT scan and angiography were conducted, showing a cortical artery aneurysm surrounded by a sulcal subarachnoid hemorrhage on the left parietal convexityFig. 1.
