title: Imaging quiz case 1. Posterior fossa arachnoid cyst.
authors.forename: P A
authors.initials: PA
authors.lastname: Pollice
authors.forename: N I
authors.initials: NI
authors.lastname: Bhatti
authors.forename: J K
authors.initials: JK
authors.lastname: Niparko
mesh_terms: D000328:Adult; D001099:Arachnoid / Q000473:pathology; D016080:Arachnoid Cysts / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006311:Hearing Disorders / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D014717:Vertigo / Q000175:diagnosis / Q000209:etiology