title: The yin-yang sign.
authors.affiliation: Department of Urology, National Taiwan University Hospital, Taipei, Taiwan, Republic of China. wang.wei59@gmail.com
authors.forename: Chen-Wei
authors.initials: CW
authors.lastname: Wang
authors.forename: Po-Chin
authors.initials: PC
authors.lastname: Liang
authors.forename: Ju-Ton
authors.initials: JT
authors.lastname: Hsieh
mesh_terms: D000328:Adult; D017541:Aneurysm, False / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D012077:Renal Artery / Q000473:pathology; D014057:Tomography, X-Ray Computed