Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
 • Impaired up gaze
Why? 
 • Pineal region tumors
 • Multiple sclerosis
 • Hydrocephalus -> "setting sun" sign
 • Vascular disease (stroke)
Where?
 • Dorsal midbrain and pretectal area

By Dr. Gabriela Figueiredo Pucci @gabifpucci @neudrawlogy

#Parinauds #syndrome #neurology #diagnosis