The Ophthalmology Unit,  Universiti Malaysia Sarawak (UNIMAS), Kuching, Sarawak.

The Ophthalmology Department, Sarawak General Hospital, Kuching, Sarawak, East Malaysia.



Posterior communicating artery aneurysm

Photo by Professor Chua Chung Nen

This 49 year-old woman who was previously well developed a sudden headache and collapsed at home. Urgent brain scan revealed a posterior communicating artery aneurysm confirmed on carotid artery angiogram and the aneurysm was clipped. Post-operatively the patient complained of diplopia and ptosis. Ocular movement showed partial third nerve palsy.


Cerebral angiogram shows the presence of a left posterior communicating aneurysm.


Left partial ptosis and down and out globe.


Ocular movement shows muscles supplied by the third nerve have weak actions.


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