title: Case quiz.
authors.affiliation: Radiology Department, Royal Perth Hospital, Australia.
authors.forename: V H
authors.initials: VH
authors.lastname: Low
mesh_terms: D000784:Aortic Dissection / Q000000981:diagnostic imaging*; D017545:Aortic Aneurysm, Thoracic / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013348:Subclavian Artery / Q000002:abnormalities; D014057:Tomography, X-Ray Computed