Sign Up for a Free Account

Enhancing pretectal lesion causing Parinaud syndrome (sagittal MRI)

This 25-year-old man had light-near dissociation, convergence-retraction nystagmus, and impaired upgaze. Biopsy showed sarcoidosis. (Contributed by Dr. Jason Barton.)

Related Media

Associated Disorders

  • Ataxia-telangiectasia
  • Progressive supranuclear palsy