Hummingbird sign on MRI is seen in -
Ans. is 'c' i.e., Progressive supranuclear palsy o Hummingbird sign and Mickey Mouse sign are seen on MRI in progressive supranuclear palsy,o In progressive supranuclear palsy (PSP), severe mesencephalic atrophy occurs, giving the appearance of a hummingbird on mid-sagittal images.
Multisystem atrophy
Lewy body dementia
Progressive supranuclear palsy
Alzeihmer's disease
Brain Imaging: Inflammatory, Infectious, and Vascular Diseases