Dual energy computed tomography can be performed at similar radiation doses to single
energy scans and offers increased diagnostic benefit in abdominopelvic imaging.
Keywords
To read this article in full you will need to make a payment
Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to Advances in Clinical RadiologyAlready a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
References
- Dual-energy and dual-source CT: is there a role in the abdomen and pelvis?.Radiol Clin North Am. 2009; 47: 41-57
- First performance evaluation of a dual-source CT (DSCT) system.Eur Radiol. 2006; 16: 256-268
- Detector-based spectral CT with a novel dual-layer technology: principles and applications.Insights Imaging. 2017; 8: 589-598
- Objective characterization of GE discovery CT750 HD scanner: gemstone spectral imaging mode.Med Phys. 2011; 38: 1178-1188
- White paper of the Society of Computed Body Tomography and Magnetic Resonance on Dual-Energy CT, part 1: technology and terminology.J Comput Assist Tomogr. 2016; 40: 841-845
- White paper of the Society of Computed Body Tomography and Magnetic Resonance on Dual-Energy CT, part 4: abdominal and pelvic applications.J Comput Assist Tomogr. 2017; 41: 8-14
- Dual- and multi-energy CT: principles, technical approaches, and clinical applications.Radiology. 2015; 276: 637-653
- Dual-energy CT workflow: multi-institutional consensus on standardization of abdominopelvic MDCT protocols.Abdom Radiol (NY). 2017; 42: 676-687
- maximizing iodine contrast-to-noise ratios in abdominal CT imaging through use of energy domain noise reduction and virtual monoenergetic dual-energy CT.Radiology. 2015; 276: 562-570
- Noise reduction in spectral CT: reducing dose and breaking the trade-off between image noise and energy bin selection.Med Phys. 2011; 38: 4946-4957
- Adrenal masses: characterization with combined unenhanced and delayed enhanced CT.Radiology. 2002; 222: 629-633
- Incidentally discovered adrenal mass.Radiol Clin North Am. 2011; 49: 361-368
- Dual-energy CT for characterization of adrenal nodules: initial experience.AJR Am J Roentgenol. 2010; 194: 1479-1483
- Characterization of adrenal nodules with dual-energy CT: can virtual unenhanced attenuation values replace true unenhanced attenuation values?.AJR Am J Roentgenol. 2012; 198: 840-845
- Iodine and fat quantification for differentiation of adrenal gland adenomas from metastases using third-generation dual-source dual-energy computed tomography.Invest Radiol. 2018; 53: 173-178
- Differentiation of high lipid content from low lipid content adrenal lesions using single-source rapid kilovolt (peak)-switching dual-energy multidetector CT.J Comput Assist Tomogr. 2013; 37: 937-943
- Dual-energy multidetector CT for the characterization of incidental adrenal nodules: diagnostic performance of contrast-enhanced material density analysis.Radiology. 2015; 274: 445-454
- Adrenal Incidentaloma triage with single-source (fast-kilovoltage switch) dual-energy CT.AJR Am J Roentgenol. 2014; 203: 329-335
- Noninvasive differentiation of uric acid versus non-uric acid kidney stones using dual-energy CT.Acad Radiol. 2007; 14: 1441-1447
- Dual energy CT characterization of urinary calculi: initial in vitro and clinical experience.Invest Radiol. 2008; 43: 112-119
- Feasibility of discriminating uric acid from non-uric acid renal stones using consecutive spatially registered low- and high-energy scans obtained on a conventional CT scanner.AJR Am J Roentgenol. 2015; 204: 92-97
- Characterization of urinary stone composition by use of third-generation dual-source dual-energy CT with increased spectral separation.AJR Am J Roentgenol. 2015; 205: 1203-1207
- Detection and characterization of renal stones by using photon-counting-based CT.Radiology. 2018; 289: 436-442
- Distinction of renal cell carcinomas from high-attenuation renal cysts at portal venous phase contrast-enhanced CT.Radiology. 2003; 228: 330-334
- Multi-detector row CT attenuation measurements: assessment of intra- and interscanner variability with an anthropomorphic body CT phantom.Radiology. 2007; 242: 109-119
- Dual-energy MDCT for imaging the renal mass.AJR Am J Roentgenol. 2015; 204: W640-W647
- Dual-source dual-energy CT evaluation of complex cystic renal masses.AJR Am J Roentgenol. 2012; 199: 1026-1034
- Dual-energy CT in patients suspected of having renal masses: can virtual nonenhanced images replace true nonenhanced images?.Radiology. 2009; 252: 433-440
- Utility of iodine overlay technique and virtual unenhanced images for the characterization of renal masses by dual-energy CT.AJR Am J Roentgenol. 2011; 197: W1076-W1082
- Characterization of small focal renal lesions: diagnostic accuracy with single-phase contrast-enhanced dual-energy CT with material attenuation analysis compared with conventional attenuation measurements.Radiology. 2017; 284: 737-747
- Iodine quantification with dual-energy CT: phantom study and preliminary experience with renal masses.AJR Am J Roentgenol. 2011; 196: W693-W700
- Dual-energy CT with single- and dual-source scanners: current applications in evaluating the genitourinary tract.Radiographics. 2012; 32: 353-369
- Accuracy of contrast-enhanced dual-energy MDCT for the assessment of iodine uptake in renal lesions.AJR Am J Roentgenol. 2014; 202: W466-W474
- Virtual monochromatic images from dual-energy multidetector CT: variance in CT numbers from the same lesion between single-source projection-based and dual-source image-based implementations.Radiology. 2016; 279: 269-277
- Characterization of incidental renal mass with dual-energy CT: diagnostic accuracy of effective atomic number maps for discriminating nonenhancing cysts from enhancing masses.AJR Am J Roentgenol. 2017; 209: W221-W230
- Dual-energy computed tomography in genitourinary imaging.Radiol Clin North Am. 2017; 55: 373-391
- Current guidelines for the diagnosis and management of hepatocellular carcinoma: a comparative review.AJR Am J Roentgenol. 2016; 207: W88-W98
- Comparison of radiation dose and image quality from single-energy and dual-energy CT examinations in the same patients screened for hepatocellular carcinoma.Clin Radiol. 2014; 69: e538-e544
- Advanced virtual monoenergetic computed tomography of hyperattenuating and hypoattenuating liver lesions: ex-vivo and patient experience in various body sizes.Invest Radiol. 2015; 50: 695-702
- Model-based iterative reconstruction versus adaptive statistical iterative reconstruction and filtered back projection in liver 64-MDCT: focal lesion detection, lesion conspicuity, and image noise.AJR Am J Roentgenol. 2013; 200: 1071-1076
- Low kV versus dual-energy virtual monoenergetic CT imaging for proven liver lesions: what are the advantages and trade-offs in conspicuity and image quality? A pilot study.Abdom Radiol (NY). 2018; 43: 1404-1412
- Iodine material density images in dual-energy CT: quantification of contrast uptake and washout in HCC.Abdom Radiol (NY). 2018; 43: 3317-3323
- Dual-energy CT with iodine quantification in distinguishing between bland and neoplastic portal vein thrombosis in patients with hepatocellular carcinoma.Clin Radiol. 2016; 71: 938.e1-9
- Dual-energy computed tomography to assess tumor response to hepatic radiofrequency ablation: potential diagnostic value of virtual noncontrast images and iodine maps.Invest Radiol. 2011; 46: 77-84
- Dual-energy computed tomography in patients with small hepatocellular carcinoma: utility of noise-reduced monoenergetic images for the evaluation of washout and image quality in the equilibrium phase.J Comput Assist Tomogr. 2018; 42: 937-943
- Split-bolus spectral multidetector CT of the pancreas: assessment of radiation dose and tumor conspicuity.Radiology. 2013; 269: 139-148
- Dual-source dual-energy MDCT of pancreatic adenocarcinoma: initial observations with data generated at 80 kVp and at simulated weighted-average 120 kVp.AJR Am J Roentgenol. 2010; 194: W27-W32
- Multireader evaluation of lesion conspicuity in small pancreatic adenocarcinomas: complimentary value of iodine material density and low keV simulated monoenergetic images using multiphasic rapid kVp-switching dual energy CT.Abdom Imaging. 2015; 40: 1230-1240
- Dual-energy CT of the pancreas: improved carcinoma-to-pancreas contrast with a noise-optimized monoenergetic reconstruction algorithm.Eur J Radiol. 2015; 84: 2052-2058
- Subtraction color map of contrast-enhanced and unenhanced CT for the prediction of pancreatic necrosis in early stage of acute pancreatitis.AJR Am J Roentgenol. 2014; 202: W349-W356
- Advances in pancreatic CT imaging.AJR Am J Roentgenol. 2018; 211: 52-66
- Making the invisible visible: improving conspicuity of noncalcified gallstones using dual-energy CT.Abdom Radiol (NY). 2017; 42: 2933-2939
- CT for evaluation of acute gastrointestinal bleeding.Radiographics. 2018; 38: 1089-1107
- Accuracy of CT angiography in the diagnosis of acute gastrointestinal bleeding: systematic review and meta-analysis.Eur Radiol. 2013; 23: 1181-1190
- Noise-optimized virtual monoenergetic dual-energy CT Improves diagnostic accuracy for the detection of active arterial bleeding of the abdomen.J Vasc Interv Radiol. 2017; 28: 1257-1266
- Dual-source dual-energy CT angiography with virtual non-enhanced images and iodine map for active gastrointestinal bleeding: image quality, radiation dose and diagnostic performance.Eur J Radiol. 2015; 84: 884-891
- The feasibility of colorectal cancer detection using dual-energy computed tomography with iodine mapping.Clin Radiol. 2013; 68: 799-806
- Deep learning electronic cleansing for single- and dual-energy CT colonography.Radiographics. 2018; 38: 2034-2050
- Dual-energy CT characteristics of colon and rectal cancer allows differentiation from stool by dual-source CT.Diagn Interv Radiol. 2017; 23: 251-256
- Dual-energy CT colonography for preoperative "one-stop" staging in patients with colonic neoplasia.Acad Radiol. 2014; 21: 1567-1572
- Quantitative assessment of the degree of differentiation in colon cancer with dual-energy spectral CT.Abdom Radiol (NY). 2017; 42: 2591-2596
- Iodine concentration in spectral CT: assessment of prognostic determinants in patients with gastric adenocarcinoma.AJR Am J Roentgenol. 2017; 209: 1033-1038
- Evaluating the response of gastric carcinomas to neoadjuvant chemotherapy using iodine concentration on spectral CT: a comparison with pathological regression.Clin Radiol. 2015; 70: 1198-1204
- Use of dual-energy CT and iodine maps in evaluation of bowel disease.Radiographics. 2016; 36: 393-406
- Virtual monoenergetic dual-layer, dual-energy CT enterography: optimization of keV settings and its added value for Crohn's disease.Eur Radiol. 2018; 28: 2525-2534
- Dual-energy CT in differentiating nonperforated gangrenous appendicitis from uncomplicated appendicitis.AJR Am J Roentgenol. 2018; 211: 776-782
- Mesenteric ischemia: what the radiologist needs to know.Cardiovasc Diagn Ther. 2018;
- Early small-bowel ischemia: dual-energy CT improves conspicuity compared with conventional CT in a swine model.Radiology. 2015; 275: 119-126
- Dual-energy CT iodine mapping and 40-keV monoenergetic applications in the diagnosis of acute bowel ischemia.AJR Am J Roentgenol. 2018; 211: 564-570
- Dual-energy CT for abdominal and pelvic trauma.Radiographics. 2018; 38: 586-602
- Combined application of virtual monoenergetic high keV images and the orthopedic metal artifact reduction algorithm (O-MAR): effect on image quality.Abdom Radiol (NY). 2019; 44: 756-765
- Technical note: improved CT number stability across patient size using dual-energy CT virtual monoenergetic imaging.Med Phys. 2016; 43: 513
- Dual energy CT (DECT) of the liver: conventional versus virtual unenhanced images.Eur Radiol. 2010; 20: 2870-2875
- Abdominal attenuation values on virtual and true unenhanced images obtained with third-generation dual-source dual-energy CT.AJR Am J Roentgenol. 2018; 210: 1042-1058
- Reliability of virtual non-contrast computed tomography angiography: comparing it with the real deal.Acta Radiol Open. 2018; 7 (2058460118790115)
- Variability of CT attenuation measurements in virtual unenhanced images generated using multimaterial decomposition from fast kilovoltage-switching dual-energy CT.Acad Radiol. 2017; 24: 365-372
- Influence of different iodinated contrast media on the induction of DNA double-strand breaks after in vitro X-ray irradiation.Contrast Media Mol Imaging. 2014; 9: 259-267
- Photon counting detector CT: system design and clinical applications of an emerging technology.RadioGraphics. 2019; 29: 729-743
- Evaluation of conventional imaging performance in a research whole-body CT system with a photon-counting detector array.Phys Med Biol. 2016; 61: 1572-1595
- Spectral performance of a whole-body research photon counting detector CT: quantitative accuracy in derived image sets.Phys Med Biol. 2017; 62: 7216-7232
Article info
Publication history
Published online: June 05, 2019
Footnotes
Conflict of Interest Disclosure: No conflicts for any author.
Identification
Copyright
© 2019 Elsevier Inc. All rights reserved.
