Presentation
Sudden collapse. Obtunded on arrival to ED.
Patient Data
Age: 70 years
Gender: Female
From the case:
Ruptured basilar tip aneurysm
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Extensive subarachnoid hemorrhage centered on the basal CSF cisterns. Intraventricular extension with hydrocephalus. Generalized sulcal effacement suggestive of cerebral edema.
From the case:
Ruptured basilar tip aneurysm
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CTA demonstrates a 5 mm aneurysm arising from the basilar tip. No further aneurysm identified.
Case Discussion
Pattern of subarachnoid blood on the non-contrast CT is suggestive of a posterior circulation aneurysm, as was subsequently demonstrated. This patient went onto endovascular coiling.
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