title: Clinical Reasoning: A 71-year-old man with rapidly progressive dementia.
authors.affiliation: From the Departments of Neurology (N.N., N.J.) and Pathology (E.R.), Michael E. DeBakey Veteran's Affairs Medical Center and Baylor College of Medicine, Houston, TX. niemann@bcm.edu.
authors.forename: Nicki
authors.initials: N
authors.lastname: Niemann
authors.affiliation: From the Departments of Neurology (N.N., N.J.) and Pathology (E.R.), Michael E. DeBakey Veteran's Affairs Medical Center and Baylor College of Medicine, Houston, TX.
authors.forename: Navid
authors.initials: N
authors.lastname: Jalali
authors.affiliation: From the Departments of Neurology (N.N., N.J.) and Pathology (E.R.), Michael E. DeBakey Veteran's Affairs Medical Center and Baylor College of Medicine, Houston, TX.
authors.forename: Emilie
authors.initials: E
authors.lastname: Rouah
mesh_terms: D000368:Aged; D001932:Brain Neoplasms / Q000150:complications* / Q000175:diagnosis* / Q000188:drug therapy; D003072:Cognition Disorders / Q000175:diagnosis* / Q000209:etiology; D003422:Critical Care / Q000379:methods; D003704:Dementia / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D018450:Disease Progression; D006801:Humans; D008223:Lymphoma / Q000150:complications* / Q000175:diagnosis* / Q000188:drug therapy; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use; D010808:Physical Examination / Q000379:methods; D016896:Treatment Outcome
chemical_list: D008727:Methotrexate