Ruptured basilar tip aneurysm

Case contributed by Dr Henry Knipe

Presentation

Sudden collapse. Obtunded on arrival to ED.

Patient Data

Age: 70 years
Gender: Female
CT

Extensive subarachnoid haemorrhage centred on the basal CSF cisterns. Intraventricular extension with hydrocephalus. Generalised sulcal effacement suggestive of cerebral oedema. 

CT

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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Case information

rID: 49130
Case created: 11th Nov 2016
Last edited: 12th Nov 2016
Inclusion in quiz mode: Included

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