A 74-year-old woman presented with acute-onset right ptosis and binocular diplopia. CT scan showed low-density lesions in the bilateral basal ganglia and adjacent to lateral ventricles. Intracranial aneurysm was not detected. This case highlights the importance of neurologic localization of ophthalmoplegia based on physical examination and the microanatomy of the oculomotor nerve.
© 2023 American Academy of Neurology.