Hummingbird sign on MRI is seen in -: (A) Multisystem atrophy, (B) Lewy body dementia, (C) Progressive supranuclear palsy, (D) Alzeihmer's disease
Answer is C. 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.