title: Abnormal eye movements in Creutzfeldt-Jakob disease.
abstract: We report 3 patients with autopsy-proven Creutzfeldt-Jakob disease who, early in their course, developed abnormal eye movements that included periodic alternating nystagmus and slow vertical saccades. These findings suggested involvement of the cerebellar nodulus and uvula, and the brainstem reticular formation, respectively. Cerebellar ataxia was also an early manifestation and, in 1 patient, a frontal lobe brain biopsy was normal at a time when ocular motor and cerebellar signs were conspicuous. As the disease progressed, all saccades and quick phases of nystagmus were lost, but periodic alternating gaze deviation persisted. At autopsy, 2 of the 3 patients had pronounced involvement of the cerebellum, especially of the midline structures. Creutzfeldt-Jakob disease should be considered in patients with subacute progressive neurological disease when cognitive changes are overshadowed by ocular motor findings or ataxia.
authors.affiliation: Department of Neuroscience, University Hospitals, Cleveland, OH 44106.
authors.forename: M P
authors.initials: MP
authors.lastname: Grant
authors.forename: M
authors.initials: M
authors.lastname: Cohen
authors.forename: R B
authors.initials: RB
authors.lastname: Petersen
authors.forename: G M
authors.initials: GM
authors.lastname: Halmagyi
authors.forename: A
authors.initials: A
authors.lastname: McDougall
authors.forename: R J
authors.initials: RJ
authors.lastname: Tusa
authors.forename: R J
authors.initials: RJ
authors.lastname: Leigh
mesh_terms: D000368:Aged; D001933:Brain Stem / Q000473:pathology / Q000503:physiopathology; D002531:Cerebellum / Q000473:pathology / Q000503:physiopathology; D007562:Creutzfeldt-Jakob Syndrome / Q000150:complications* / Q000503:physiopathology; D005133:Eye Movements; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009759:Nystagmus, Pathologic / Q000209:etiology* / Q000503:physiopathology