Presentation
Acute left-sided weakness.
Patient Data
Age: 45 years
From the case:
Posterior cerebral artery aneurysm
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Acute right-sided basal ganglionic capsular infarct with prominent diffusion restriction probably of the anterior choroidal artery.
Bilateral old striatocapsular infarcts.
MRA (TOF) shows no large vessel occlusion. An Incidental left posterior cerebral artery quadrigeminal segment small aneurysm measures 5mm. This aneurysm can also be seen in the axial T2.
Case Discussion
Posterior cerebral artery aneurysms are rare. they represent about 1% of intracranial aneurysms 1.