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October 1974

Internal Carotid Origin of a Tortuous Posterior Cerebral ArteryA Cause of Ophthalmoplegia

Arch Neurol. 1974;31(4):273-275. doi:10.1001/archneur.1974.00490400087011

Two patients had an acute third nerve palsy associated with a tortuous posterior cerebral artery originating directly from the internal carotid. Anatomical considerations and perusal of the literature emphasize that this is an important potential cause of ophthalmoplegia.