Paralysis of 3rd, 4th, 6th nerves with involvement of Ophthalmic division of 5th nerve, localizes the lesion to-: (A) Cavernous sinus, (B) Apex of orbit, (C) Brainstem, (D) Base of skull
Answer is A. *Paralysis of 3rd, 4th, 6th nerve and involvement of Ophthalmic division of 5th nerve -> cavernous sinus thrombosis. *Paralysis of 3rd, 4th, 6th nerve, Ophthalmic division of 5th nerve plus optic nerve signs -> orbital apex syndrome. Ref: Khurana 7th/e p.428