title: Subarachnoid hemorrhage in perivascular spaces mimicking brainstem hematoma.
authors.affiliation: Division of Neuroradiology, Department of Radiology, Hospital São Marcos, Braga, Portugal.
authors.forename: Manuel
authors.initials: M
authors.lastname: Ribeiro
authors.forename: Peter
authors.initials: P
authors.lastname: Howard
authors.forename: Robert A
authors.initials: RA
authors.lastname: Willinsky
authors.forename: Karel
authors.initials: K
authors.lastname: ter Brugge
authors.forename: Leodante
authors.initials: L
authors.lastname: da Costa
mesh_terms: D001933:Brain Stem / Q000473:pathology*; D005260:Female; D006406:Hematoma / Q000473:pathology* / Q000503:physiopathology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed / Q000379:methods