Localization of Third Nerve (CN3) Palsies
Understanding the associated and not-associated features of CN3 palsies can help localize the disease. Because partial CN3 palsy is often associated with other life-threatening or highly-morbid disease, urgent neuroimaging is recommended in all cases of suspected partial CN3 palsy.
The CN3 Nuclear Complex
The CN3 nuclear complex has some unique features that can help you localize partial CN3 palsies to the brainstem.