26 year old female. 2 week history of headache and ptosis R-eye. O/e surgical CNIII palsy Right. CT-A performed. Comments on above image.

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It seems posterior cerebral artery bleed (ruptured aneurysm) causing massive subarachnoid hemorrhage raised ICT (Supratentorial) & 3 rd nerve palsy

PCA Aneurysm

SAH..Aneurysm seems to be of posterior circulation(PCA).

POST CILIARY ARTERY LESION OPTIC NERVE HEAD IS SUPPLIED BY P C A WHICH IS BRACH OF OPHTHALMIC ARTERY OPHTHALMIC ARTERY ARISES FROM IST DIVISION OF INTERNAL CAROTID ARTERY DISTAL TO CAVERNOUS SINUS

Posterior communicating artery aneurysm pressing on 3 rd cranial nerve .

Posterior communicating artery aneurysm causing 3rd nerve palsy?

Aneurysm

I agree Dr H Gajjar

PCA Aneurysm .

Posterior communicating artery aneurysm

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