title: Clinical Reasoning: A 64-year-old man with visual distortions.
authors.affiliation: From the Department of Neurology (E.R.M., A.B., A.D.L., A.J.C.), Massachusetts General Hospital; Department of Neurology (E.R.M., A.B.), Brigham and Women's Hospital; Departments of Neurology (E.R.M., A.B., A.D.L., A.J.C.) and Ophthalmology (J.F.R.), Harvard Medical School; and Massachusetts Eye and Ear Infirmary (J.F.R.), Boston. emcgrath2@partners.org.
authors.forename: Emer R
authors.initials: ER
authors.lastname: McGrath
authors.affiliation: From the Department of Neurology (E.R.M., A.B., A.D.L., A.J.C.), Massachusetts General Hospital; Department of Neurology (E.R.M., A.B.), Brigham and Women's Hospital; Departments of Neurology (E.R.M., A.B., A.D.L., A.J.C.) and Ophthalmology (J.F.R.), Harvard Medical School; and Massachusetts Eye and Ear Infirmary (J.F.R.), Boston.
authors.forename: Ayush
authors.initials: A
authors.lastname: Batra
authors.affiliation: From the Department of Neurology (E.R.M., A.B., A.D.L., A.J.C.), Massachusetts General Hospital; Department of Neurology (E.R.M., A.B.), Brigham and Women's Hospital; Departments of Neurology (E.R.M., A.B., A.D.L., A.J.C.) and Ophthalmology (J.F.R.), Harvard Medical School; and Massachusetts Eye and Ear Infirmary (J.F.R.), Boston.
authors.forename: Alice D
authors.initials: AD
authors.lastname: Lam
authors.affiliation: From the Department of Neurology (E.R.M., A.B., A.D.L., A.J.C.), Massachusetts General Hospital; Department of Neurology (E.R.M., A.B.), Brigham and Women's Hospital; Departments of Neurology (E.R.M., A.B., A.D.L., A.J.C.) and Ophthalmology (J.F.R.), Harvard Medical School; and Massachusetts Eye and Ear Infirmary (J.F.R.), Boston.
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Rizzo
authors.affiliation: From the Department of Neurology (E.R.M., A.B., A.D.L., A.J.C.), Massachusetts General Hospital; Department of Neurology (E.R.M., A.B.), Brigham and Women's Hospital; Departments of Neurology (E.R.M., A.B., A.D.L., A.J.C.) and Ophthalmology (J.F.R.), Harvard Medical School; and Massachusetts Eye and Ear Infirmary (J.F.R.), Boston.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Cole
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging; D000066491:Clinical Decision-Making; D007562:Creutzfeldt-Jakob Syndrome / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D006801:Humans; D008297:Male; D008875:Middle Aged; D010468:Perceptual Disorders / Q000175:diagnosis* / Q000209:etiology; D014796:Visual Perception