title: 19-year-old man with headache and confusion.
authors.affiliation: Mayo Graduate School of Medicine, Mayo Clinic Rochester, MN 55905, USA.
authors.forename: R M
authors.initials: RM
authors.lastname: Razmi
authors.forename: J R
authors.initials: JR
authors.lastname: Fulgham
mesh_terms: D000328:Adult; D001932:Brain Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D002277:Carcinoma / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D003221:Confusion / Q000209:etiology*; D003937:Diagnosis, Differential; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male