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Increasing the Precision of CT Measurements with Dual-Energy Scanning

2014; Radiological Society of North America; Volume: 272; Issue: 3 Linguagem: Inglês

10.1148/radiol.14141118

1527-1315

Alec J. Megibow, Hersh Chandarana, Nicole Hindman,

Radiology practices and education

HomeRadiologyVol. 272, No. 3 PreviousNext Reviews and CommentaryEditorialIncreasing the Precision of CT Measurements with Dual-Energy ScanningAlec J. Megibow , Hersh Chandarana, Nicole M. HindmanAlec J. Megibow , Hersh Chandarana, Nicole M. HindmanAuthor AffiliationsFrom the Department of Radiology, New York University-Langone Medical Center, 550 1st Ave, HW 202, New York, NY 10016.Address correspondence to A.J.M. (e-mail: [email protected]).Alec J. Megibow Hersh ChandaranaNicole M. HindmanPublished Online:Aug 25 2014https://doi.org/10.1148/radiol.14141118MoreSectionsFull textPDF ToolsAdd to favoritesCiteTrack CitationsPermissionsReprints ShareShare onFacebookXLinked In AbstractFrom its inception, CT was welcomed into the clinical arena because of its expansion of the contrast scale and quantitative capabilities embodied in the Hounsfield unit; the Marin et al and Mileto et al articles published this month in Radiology show how developments in technology can advance this remarkable imaging modality even further by increasing its precision.References1. Hounsfield GN. Computerized transverse axial scanning (tomography). 1. Description of system. Br J Radiol 1973;46(552):1016–1022. Crossref, Medline, Google Scholar2. Flohr TG, McCollough CH, Bruder H, et al. First performance evaluation of a dual-source CT (DSCT) system. Eur Radiol 2006;16(2):256–268. Crossref, Medline, Google Scholar3. Marin D, Fananapazir G, Mileto A, Roy Choudhury K, Wilson JM, Nelson RC. Dual-energy multi–detector row CT with virtual monochromatic imaging for improving patient-to-patient uniformity of aortic enhancement during CT angiography: an in vitro and in vivo study. Radiology 2014;272(3):895–902. Link, Google Scholar4. Mileto A, Nelson RC, Samei E, et al. Impact of dual-energy multi–detector row CT with virtual monochromatic imaging on renal cyst pseudoenhancement: in vitro and in vivo study. Radiology 2014;272(3):767–776. Link, Google Scholar5. Chandarana H, Megibow AJ, Cohen BA, et al. Iodine quantification with dual-energy CT: phantom study and preliminary experience with renal masses. AJR Am J Roentgenol 2011;196(6):W693–W700. Crossref, Medline, Google Scholar6. Yu L, Leng S, McCollough CH. Dual-energy CT-based monochromatic imaging. AJR Am J Roentgenol 2012;199(5 Suppl):S9–S15. Crossref, Medline, Google Scholar7. Schindera ST, Tock I, Marin D, et al. Effect of beam hardening on arterial enhancement in thoracoabdominal CT angiography with increasing patient size: an in vitro and in vivo study. Radiology 2010;256(2):528–535. Link, Google Scholar8. Megibow AJ, Jacob G, Heiken JP, et al. Quantitative and qualitative evaluation of volume of low osmolality contrast medium needed for routine helical abdominal CT. AJR Am J Roentgenol 2001;176(3):583–589. Crossref, Medline, Google Scholar9. Birnbaum BA, Hindman N, Lee J, Babb JS. Renal cyst pseudoenhancement: influence of multidetector CT reconstruction algorithm and scanner type in phantom model. Radiology 2007;244(3):767–775. Link, Google Scholar10. Patel J, Davenport MS, Khalatbari S, Cohan RH, Ellis JH, Platt JF. In vivo predictors of renal cyst pseudoenhancement at 120 kVp. AJR Am J Roentgenol 2014;202(2):336–342. Crossref, Medline, Google Scholar11. Yip C, Davnall F, Kozarski R, et al. 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Crossref, Medline, Google ScholarArticle HistoryReceived May 15, 2014; revision requested May 15; revision received May 17; final version accepted May 21.Published online: Aug 25 2014Published in print: Sept 2014 FiguresReferencesRelatedDetailsCited ByExpanding Role of Dual-Energy CT for Genitourinary Tract Assessment in the Emergency Department, From the AJR Special Series on Emergency RadiologySachivChakravarti, Jennifer W.Uyeda2023Dec1 | American Journal of Roentgenology, Vol. 221, No. 6Added Value of Magnetic Resonance Imaging for the Evaluation of Mediastinal LesionsAllen P.Heeger, Jeanne B.Ackman2021Mar1 | Radiologic Clinics of North America, Vol. 59, No. 2Dual-Energy CTIssamal-Najami17 November 2020Iodine Quantification Using Dual-Energy Computed Tomography for Differentiating Thymic TumorsWei-QiangYan, Yong-KangXin, YongJing, Gang-FengLi, Shu-MeiWang, Wei-ChengRong, GangXiao, Xue-BinLei, BoLi, Yu-ChuanHu, Guang-BinCui2018Nov1 | Journal of Computer Assisted Tomography, Vol. 42, No. 6Use of Dual-Energy Computed Tomography for Evaluation of Genitourinary DiseasesFedericaVernuccio, MathiasMeyer, AchilleMileto, DanieleMarin2018Aug1 | Urologic Clinics of North America, Vol. 45, No. 3How Well Does Dual-Energy Computed Tomography With Metal Artifact Reduction Software Improve Image Quality and Quantify Computed Tomography Number and Iodine Concentration?ShingoOhira, NaoyukiKanayama, KentaroWada, TsukasaKarino, YuyaNitta, YoshihiroUeda, MasayoshiMiyazaki, MasahikoKoizumi, TerukiTeshima2018Jul1 | Journal of Computer Assisted Tomography, Vol. 42, No. 4How Well Does Dual-energy CT with Fast Kilovoltage Switching Quantify CT Number and Iodine and Calcium Concentrations?ShingoOhira, TsukasaKarino, YoshihiroUeda, YuyaNitta, NaoyukiKanayama, MasayoshiMiyazaki, MasahikoKoizumi, TerukiTeshima2018Apr1 | Academic Radiology, Vol. 25, No. 4Characterization of Small (< 4 cm) Focal Renal Lesions: Diagnostic Accuracy of Spectral Analysis Using Single-Phase Contrast-Enhanced Dual-Energy CTBhavik N.Patel, AlexBibbey, Kingshuk R.Choudhury, Richard A.Leder, Rendon C.Nelson, DanieleMarin2017Oct1 | American Journal of Roentgenology, Vol. 209, No. 4Characterization of Small Focal Renal Lesions: Diagnostic Accuracy with Single-Phase Contrast-enhanced Dual-Energy CT with Material Attenuation Analysis Compared with Conventional Attenuation MeasurementsDaniele Marin, Drew Davis, Kingshuk Roy Choudhury, Bhavik Patel, Rajan T. 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