Isolated Third, Fourth, and Sixth Cranial Nerve Palsies from Presumed Microvascular versus Other Causes: A Prospective Study – Corrected Proof
Purpose: To estimate the proportion of patients presenting with isolated third, fourth, or sixth cranial nerve palsy of presumed microvascular origin versus other causes.Design: Prospective, multicenter, observational case series.Participants: A total of 109 patients aged 50 years or older with acute isolated ocular motor nerve palsy.Testing: Magnetic resonance imaging (MRI) of the brain.Main Outcome Measures: Causes of acute isolated ocular motor nerve palsy (presumed microvascular or other) as determined with early MRI and clinical assessment.Results: Among 109 patients enrolled in the study, 22 had cranial nerve III palsy, 25 had cranial nerve IV palsy, and 62 had cranial nerve VI (Read more...)