Brainstem Aneurysms & Cavernous Sinus Disease
Neuroanatomy
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Cranial Neuropathies
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Cranial Nerves 3, 4, 6
Q. Why is CN 6 commonly injured?
a
It exits posteriorly from the brainstem.
b
Its close proximity to the posterior cerebral artery.
c
It's fixed where it pierces the dura to pass through Dorello's canal
d
It emerges from the anterior, medial midbrain.
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