Downbeat nystagmus associated with caudal brainstem compression by the vertebral artery.
Lee
A G
AG
Department of Ophthalmology, The University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242, USA.
D000368:Aged; D000369:Aged, 80 and over; D001933:Brain Stem / Q000473:pathology*; D003251:Constriction, Pathologic; D004108:Dilatation, Pathologic; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009759:Nystagmus, Pathologic / Q000175:diagnosis / Q000209:etiology*; D014711:Vertebral Artery / Q000002:abnormalities*