title: Pathologic quiz case: a 23-year-old man with headaches and visual difficulties.
authors.affiliation: Department of Pathology, the Johns Hopkins Hospital, Baltimore, Md 21287, USA.
authors.forename: Anil V
authors.initials: AV
authors.lastname: Parwani
authors.forename: Syed Z
authors.initials: SZ
authors.lastname: Ali
mesh_terms: D000328:Adult; D001932:Brain Neoplasms / Q000150:complications / Q000175:diagnosis*; D017809:Fatal Outcome; D018237:Germinoma / Q000150:complications / Q000175:diagnosis*; D006261:Headache / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D010870:Pineal Gland / Q000473:pathology*; D014786:Vision Disorders / Q000209:etiology*