Anatomy – MCQ 58 – Paralysis of 3, 4, 5, 6 cranial nerves
Paralysis of 3rd, 4th and 6th cranial nerves with involvement of ophthalmic division of trigeminal, localizes the lesion to:
A. Cavernous sinus
B. Apex of orbit
C. Brainstem
D. Base of skull
Correct answer : A. Cavernous sinus
3,4,5 cranial nerves pass in relation to the lateral wall of cavernous sinus. 6th cranial nerve passes through the cavernous sinus.