title: Subdural Collection as Initial Presentation of Granulomatosis With Polyangiitis.
authors.affiliation: Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Naif M
authors.initials: NM
authors.lastname: Alotaibi
authors.affiliation: Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
authors.forename: George M
authors.initials: GM
authors.lastname: Ibrahim
authors.affiliation: Department of Neurology, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Hamza
authors.initials: H
authors.lastname: Jalal
authors.affiliation: Department of Pathology, University Health Network, Toronto General Hospital, Toronto, Ontario, Canada.
authors.forename: Bayardo
authors.initials: B
authors.lastname: Perez-Ordonez
authors.affiliation: Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Mojgan
authors.initials: M
authors.lastname: Hodaie
authors.affiliation: Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Suneil K
authors.initials: SK
authors.lastname: Kalia
mesh_terms: D005260:Female; D014890:Granulomatosis with Polyangiitis / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D013355:Subdural Space / Q000000981:diagnostic imaging*; D015898:Tomography Scanners, X-Ray Computed