label: supranuclear palsy, progressive, 1
label_lc: supranuclear palsy, progressive, 1
description: "Classical progressive supranuclear palsy, also known as Richardson's syndrome, is the most common clinical variant of progressive supranuclear palsy (PSP), a rare late-onset neurodegenerative disease characterized by postural instability, progressive rigidity, supranuclear gaze palsy and mild dementia."