Detector-based spectral CT with a novel dual-layer technology: principles and applications

Insights into Imaging - Tập 8 Số 6 - Trang 589-598 - 2017
Negin Rassouli1, Maryam Etesami1, Amar Dhanantwari2, Prabhakar Rajiah1
1Department of Radiology, University Hospitals Cleveland Medical Center, Cleveland, OH USA.
2Philips Healthcare, Cleveland, OH, USA

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McCollough CH, Leng S, Yu L, Fletcher JG (2015) Dual and multienergy CT: principles, technical approaches, and clinical applications. Radiology 276(3):637–653

Rajiah P, Abbara S, Halliburton SS (2017) Spectral detector CT for cardiovascular applications. Diagn Interv Radiol 23(3):187–193

Pelgrim GJ, van Hamservelt RW, Willemink MJ, Schmidt BT, Flohr T, Schillam A et al (2017) Accuracy of iodine quantification using dual energy CT in latest generation dual source and dual layer CT. Eur Radiol. https://doi.org/10.1007/s00330-017-472-9.PMID-28168368

Kalendar WA, Perman WH, Vetter JR, Kotz E (1986) Evaluation of a prototype dual energy computed tomography apparatus. I. Phantom studies. Med Phys 1986 13(3):334–339

Alvarez RE, Macovski A (1976) Energy-selective reconstructions in X-ray computerized tomography. Phys Med Biol 21(5):633–644

Hojjati M, Van Hedent S, Rassouli N, Tasuoka C, Jordan D, Dhanantwari A, et al. Quality of routine diagnostic abdominal images generated from a novel detector-based spectral CT scanner: a technical report on a phantom and clinical study. Abdom Radiol 2017 May 10. https://doi.org/10.1007/s00261-017-1170-z

Rassouli N, Chalian H, Rajiah P, Dhanantwari A, Landeras L. Assessment of 70-keV virtual monoenergetic spectral images in abdominal CT imaging: A comparison study to conventional poly- chromatic 120-kVp images. Abdominal Radiology 2017 Apr 18. https://doi.org/10.1007/s00261-017-1151-2

Johnson TRC (2012) Dual-energy CT: General Principles. AJR Am J Roentgenol 199:S3–S8

Goodsitt MM, Christodoulou EG, Larson SC (2011) Accuracies of the synthesized monochromatic CT numbers and effective atomic numbers obtained with a rapid kVp switching dual energy CT scanner. Med Phys 38(4):2222–2232

Schlomka JP, Roessl E, Dorscheid R, Dill S, Martens G, Istel T et al (2008) Experimental feasibility of multi-energy photon-counting K-edge imaging in pre-clinical computed tomography. Phys Med Biol 53(15):4031–4047

Vlahos I, Chung R, Nair A, Morgan R (2012) Dual-energy CT: vascular applications. Am J Roengenol 199:587–597

Marin D, Boll D, Mileto A, Nelson RC (2014) Dual-energy CT of the abdomen. Radiology 271:327–342

Secchi F, De Cecco CN, Spearman JV, Silverman JR, Ebersberger U, Sardanelli F et al (2014) Monoenergetic extrapolation of cardiac dual-energy CT for artifact reduction. Acta Radiol 56:413–418

Semins MJ, Matlaga BR (2010) Medical evaluation and management of urolithiasis. Ther Adv Urol 2:3–9

Kaza RK, Ananthakrishnan L, Kambadakone A, Platt JF (2017) Update of dual-energy CT applications in the genitourinary tract. AJR Am J Roerngenol

Ho LM, Marin D, Neville AM, Barnhart HX, Gupta RT, Paulson EK et al (2012) Characterization of adrenal nodules with dual-energy CT: can virtual unenhanced attenuation values replace the unenhanced attenuation values? Am J Roentneol 198:840–845

Ananthakrishnan L, Rajiah P, Ahn R, Rassouli N, Xi Y, Soesbe TC et al (2017) Spectral detector CT-derived virtual non-contrast images: comparison of attenuation values with unenhanced CT. Abdom Radiol 42(3):702–709

Chandarana H, Godoy MC, Vlahos I, Graser A, Babb J, Leidecker C et al (2008) Abdominal aorta: evaluation with dual-source dual-energy multidetector CT after endovascular repair of aneurysms--initial observations. Radiology 249(2):692–700

Maturen KE, Kleaveland PA, Kaza RK, Lui PS, Quint LE, Khalatbari SH, Platt JF (2011) Aortic endograft surveillance: use of fast-switch kVp dual-energy computed tomography with virtual noncontrast imaging. J Comput Assist Tomogr 35(6):742–746