The etiologies of isolated fourth cranial nerve palsy: a 10-year review of 158 cases

To identify the etiologies of isolated fourth cranial nerve palsy in Ramathibodi hospital, Thailand. Patients diagnosed with isolated fourth nerve palsy from January 1, 2009, through July 31, 2020 in Ramathibodi Hospital, were included in this retrospective, observational case series. The demographic data of patients, age at presentation, the etiologies of isolated fourth nerve palsy and neuroimaging results (if indicated) were recorded. We...