title: The soft-tissue rim sign.
authors.affiliation: Department of Radiology, Abdominal Division, Vancouver Hospital and Health Science Centre, British Columbia, Canada. nizar97@hotmail.com
authors.forename: Nizar A
authors.initials: NA
authors.lastname: Al-Nakshabandi
mesh_terms: D006801:Humans; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed; D014513:Ureter / Q000000981:diagnostic imaging*; D014514:Ureteral Calculi / Q000000981:diagnostic imaging*