title: Hemangiopericytoma of the sinonasal tract.
authors.affiliation: Department of Otolaryngology, University of Toronto, Faculty of Medicine, Ontario.
authors.forename: R J
authors.initials: RJ
authors.lastname: Hekkenberg
authors.forename: J
authors.initials: J
authors.lastname: Davidson
authors.forename: L
authors.initials: L
authors.lastname: Kapusta
authors.forename: J L
authors.initials: JL
authors.lastname: Freeman
authors.forename: J C
authors.initials: JC
authors.lastname: Irish
authors.forename: P J
authors.initials: PJ
authors.lastname: Gullane
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006393:Hemangiopericytoma / Q000175:diagnosis*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed