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Anatomy General e0f51392

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

High-Yield Explanation

CN III, IV, V1, V2, and VI and postganglionic sympathetic fibers en route to the orbit all pass through the cavernous sinus.

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