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Catheter angiograms of aneurysms favorable for a superciliary approach. A : PCoA aneurysm (arrow) inducing oculomotor nerve palsy. B : Inferior-directing ACoA aneurysm (arrow). C : MCA aneurysm (arrow) with a maximum diameter of 14 mm. Note the relatively narrow neck. PCoA : posterior communicating artery, ACoA : anterior communicating artery, MCA : middle carotid artery.
