Progressive Supranuclear Palsy (MRI)

Progressive Supranuclear Palsy (MRI)

This sagittal T2-FLAIR (fluid-attenuating inversion recovery) MRI scan shows typical findings in progressive supranuclear palsy (one of the Parkinson plus syndromes) with prominent midbrain atrophy, resulting in the hummingbird sign, in addition to atrophy of the upper tectal plate.

Living Art Enterprises/SCIENCE PHOTO LIBRARY