title: Case quiz.
authors.affiliation: Department of Diagnostic Radiology, University of Hong Kong.
authors.forename: W C
authors.initials: WC
authors.lastname: Peh
authors.forename: P W
authors.initials: PW
authors.lastname: Lam
mesh_terms: D000368:Aged; D000792:Angiography; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006391:Hemangioma / Q000000981:diagnostic imaging*; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging*; D009378:Neoplasms, Multiple Primary / Q000000981:diagnostic imaging*; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed