INTRODUCTION Leber's Hereditary Optic Neuropathy (LHON) is a maternally inherited disease that manifests as painless bilateral visual loss, usually in early adulthood. Patients with LHON associated with Multiple Sclerosis were mostly female and the association of both pathologies is termed as "Harding's disease". CASE REPORT A 21-year-old woman presented with a typical episode of optic neuritis (ON) in the righ...
Background: The prevalence of Multiple Sclerosis (MS) has been increasing worldwide and the north-south gradient of prevalence may be disappearing in the Northern hemisphere. The few previous prevalence studies performed in Portugal have reported a lower prevalence than the average for Western Europe. The aim of this study is to estimate the prevalence of MS in the Entre Douro e Vouga region, in Northern Portug...
The anterior biopercular syndrome is characterized by facio-pharyngo-glosso-masticatory diplegia, with automatic dissociation of movements. It generally translates bilateral opercular lesion, often of vascular etiology. There are very few cases described with unilateral lesions. We present the case of a patient with a bilateral anterior opercular syndrome caused by unilateral infarction.; A síndrome biopercular...