Acute ureteral obstruction: value of secondary signs of helical unenhanced CT.
Smith R, Verga M, Dalrymple N, McCarthy S, Rosenfield A. Acute ureteral obstruction: value of secondary signs of helical unenhanced CT. American Journal Of Roentgenology 1996, 167: 1109-13. PMID: 8911160, DOI: 10.2214/ajr.167.5.8911160.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdolescentAdultAgedAged, 80 and overCalculiDilatation, PathologicFemaleFollow-Up StudiesHumansHypertrophyKidneyKidney CalculiKidney DiseasesKidney Tubules, CollectingMaleMiddle AgedRadiographic Image EnhancementRenal VeinsSensitivity and SpecificityTomography, X-Ray ComputedUreteral CalculiUreteral DiseasesUreteral ObstructionConceptsAcute flank painPerinephric strandingFlank painSecondary signsSystem dilatationUreteral dilatationUnenhanced CTRenal enlargementUreteral stonesPredictive valueTissue rim signUreteral stone diseaseNegative predictive valueSoft tissue attenuationPositive predictive valueUnenhanced CT imagesPatients NinetyUreteral obstructionRenal sizeSuspicious calcificationsOdds ratioStone diseaseRenal stonesPatientsDilatation