Virtual monochromatic imaging in dual-source dual-energy CT: Radiation dose and image quality

Medical Physics

Volumn 38, Issue 12, 2011, Pages 6371-6379

  Yu, Lifeng ^a   Christner, Jodie A ^a   Leng, Shuai ^a   Wang, Jia ^a   Fletcher, Joel G ^a   McCollough, Cynthia H ^a  

^a MAYO CLINIC   (United States)

Author keywords

computed tomography; dual energy CT; dual source CT; image quality; monochromatic CT; radiation dose

Indexed keywords

DOSIMETRY; IMAGE QUALITY; IODINE; PHANTOMS; QUALITY CONTROL; RADIATION; SCANNING;

CONTRAST TO NOISE RATIO; DUAL-ENERGY COMPUTED TOMOGRAPHY; DUAL-ENERGY CT; DUAL-SOURCE CT; IMAGE QUALITY METRICS; MONOCHROMATIC IMAGES; MONOCHROMATIC IMAGING; SPECIFIC INFORMATION;

COMPUTERIZED TOMOGRAPHY;

EID: 82755163901     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3658568     Document Type: Article

References (30)

1. R. E. Alvarez and A. Macovski, Energy-selective reconstructions in x-ray computed tomography., Phys. Med. Biol. 21, 733-744 (1976). 10.1088/0031-9155/21/ 5/002
2. W. A. Kalender, W. H. Perman, J. R. Vetter, and E. Klotz, Evaluation of a prototype dual-energy computed tomographic apparatus I. Phantom studies., Med. Phys. 13, 334-339 (1986). 10.1118/1.595958 (Pubitemid 16062265)
3. T. R. Johnson, B. Krauss, M. Sedlmair, M. Grasruck, H. Bruder, D. Morhard, C. Fink, S. Weckbach, M. Lenhard, B. Schmidt, T. Flohr, M. F. Reiser, and C. R. Becker, Material differentiation by dual energy CT: Initial experience., Eur. Radiol. 17, 1510-1517 (2007). 10.1007/s00330-006-0517-6 (Pubitemid 46767599)
4. J. G. Fletcher, N. Takahashi, R. Hartman, L. Guimaraes, J. E. Huprich, D. M. Hough, L. Yu, and C. H. McCollough, Dual-energy and dual-source CT: Is there a role in the abdomen and pelvis?, Radiol. Clin. North Am. 47, 41-57 (2009). 10.1016/j.rcl.2008.10.003
5. D. R. Holmes, 3rd, J. G. Fletcher, A. Apel, J. E. Huprich, H. Siddiki, D. M. Hough, B. Schmidt, T. G. Flohr, R. Robb, C. McCollough, M. Wittmer, and C. Eusemann, Evaluation of non-linear blending in dual-energy computed tomography., Eur. J. Radiol. 68, 409-413 (2008). 10.1016/j.ejrad.2008.09.017
6. L. Yu, A. N. Primak, X. Liu, and C. H. McCollough, Image quality optimization and evaluation of linearly mixed images in dual-source, dual-energy CT., Med. Phys. 36, 1019-1024 (2009). 10.1118/1.3077921
7. F. F. Behrendt, B. Schmidt, C. Plumhans, S. Keil, S. G. Woodruff, D. Ackermann, G. Mulenbruch, T. Flohr, R. W. Gunther, and A. H. Mahnken, Image fusion in dual energy computed tomography effect on contrast enhancement, signal-to-noise ratio and image quality in computed tomography angiography., Invest. Radiol. 44, 1-6 (2009). 10.1097/RLI.0b013e31818c3d4b
8. K. S. Kim, J. M. Lee, S. H. Kim, K. W. Kim, S. J. Kim, S. H. Cho, J. K. Han, and B. I. Choi, Image fusion in dual energy computed tomography for detection of hypervascular liver hepatocellular carcinoma phantom and preliminary studies., Invest. Radiol. 45, 149-157 (2010). 10.1097/RLI. 0b013e3181d32119
9. L. A. Lehmann, R. E. Alvarez, A. Macovski, W. R. Brody, N. J. Pelc, S. J. Riederer, and A. L. Hall, Generalized image combinations in dual KVP digital radiography., Med. Phys. 8, 659-667 (1981). 10.1118/1.595025 (Pubitemid 11004040)
10. M. M. Goodsitt, E. G. Christodoulou, and S. C. Larson, Accuracies of the synthesized monochromatic CT numbers and effective atomic numbers obtained with a rapid kVp switching dual energy CT scanner., Med. Phys. 38, 2222-2232 (2011). 10.1118/1.3567509
11. T. J. Vrtiska, N. Takahashi, J. G. Fletcher, R. P. Hartman, L. Yu, and A. Kawashima, Genitourinary applications of dual-energy CT., AJR, Am. J. Roentgenol. 194, 1434-1442 (2010). 10.2214/AJR.10.4404
12. A. N. Primak, J. G. Fletcher, T. J. Vrtiska, O. P. Dzyubak, J. C. Lieske, M. E. Jackson, J. C. Williams, Jr., and C. H. McCollough, Noninvasive differentiation of uric acid versus non-uric acid kidney stones using dual-energy CT., Acad. Radiol. 14, 1441-1447 (2007). 10.1016/j.acra.2007.09.016 (Pubitemid 350116647)
13. A. Graser, T. R. Johnson, M. Bader, M. Staehler, N. Haseke, K. Nikolaou, M. F. Reiser, C. G. Stief, and C. R. Becker, Dual energy CT characterization of urinary calculi: initial in vitro and clinical experience., Invest. Radiol. 43, 112-119 (2008). 10.1097/RLI.0b013e318157a144
14. D. T. Boll, N. A. Patil, E. K. Paulson, E. M. Merkle, W. N. Simmons, S. A. Pierre, and G. M. Preminger, Renal stone assessment with dual-energy multidetector CT and advanced postprocessing techniques: Improved characterization of renal stone composition-Pilot study., Radiology 250, 813-820 (2009). 10.1148/radiol.2503080545
15. N. Takahashi, R. P. Hartman, T. J. Vrtiska, A. Kawashima, A. N. Primak, O. P. Dzyubak, J. N. Mandrekar, J. G. Fletcher, and C. H. McCollough, Dual-energy CT iodine-subtraction virtual unenhanced technique to detect urinary stones in an iodine-filled collecting system: A phantom study., AJR, Am. J. Roentgenol. 190, 1169-1173 (2008). 10.2214/AJR.07.3154 (Pubitemid 351684915)
16. K. N. Glazebrook, Identification of intraarticular and periarticular uric acid crystals with dual-energy CT: initial evaluation., Radiology 261 (2), 516-524 (2011). 10.2214/AJR.09.2428
17. C. Maass, E. Meyer, and M. Kachelriess, Exact dual energy material decomposition from inconsistent rays (MDIR)., Med. Phys. 38, 691-700 (2011). 10.1118/1.3533686
18. Y. Kyriakou, E. Meyer, D. Prell, and M. Kachelriess, Empirical beam hardening correction (EBHC) for CT., Med. Phys. 37, 5179-5187 (2010). 10.1118/1.3477088
19. F. Kelcz, P. M. Joseph, and S. K. Hilal, Noise considerations in dual energy CT scanning., Med. Phys. 6, 418-425 (1979). 10.1118/1.594520 (Pubitemid 10244104)
20. P. Stenner, B. Schmidt, T. Allmendinger, T. Flohr, and M. Kachelriess, Dynamic iterative beam hardening correction (DIBHC) in myocardial perfusion imaging using contrast-enhanced computed tomography., Invest. Radiol. 45, 314-323 (2010).
21. R. E. Alvarez and E. Seppi, A comparison of noise and dose in conventional and energy selective computed tomography., IEEE Trans. Nucl. Sci. NS-26, 2853-2856 (1979). 10.1109/TNS.1979.4330549 (Pubitemid 9473439)
22. K. Matsumoto, M. Jinzaki, Y. Tanami, A. Ueno, M. Yamada, and S. Kuribayashi, Virtual monochromatic spectral imaging with fast kilovoltage switching: Improved image quality as compared with that obtained with conventional 120-kVp CT., Radiology 259, 257-262 (2011). 10.1148/radiol.11100978
23. J. M. Boone, E. M. Geraghty, J. A. Seibert, and S. L. Wootton-Gorges, Dose reduction in pediatric CT: A rational approach., Radiology 228, 352-360 (2003). 10.1148/radiol.2282020471 (Pubitemid 36910072)
24. M. J. Siegel, B. Schmidt, D. Bradley, C. Suess, and C. Hildebolt, Radiation dose and image quality in pediatric CT: Effect of technical factors and phantom size and shape., Radiology 233, 515-522 (2004). 10.1148/radiol. 2332032107 (Pubitemid 39423813)
25. Y. Funama, K. Awai, Y. Nakayama, K. Kakei, N. Nagasue, M. Shimamura, N. Sato, S. Sultana, S. Morishita, and Y. Yamashita, Radiation dose reduction without degradation of low-contrast detectability at abdominal multisection CT with a low-tube voltage technique: Phantom study., Radiology 237, 905-910 (2005). 10.1148/radiol.2373041643 (Pubitemid 41636380)
26. D. P. Frush, Pediatric abdominal CT angiography., Pediatr, Radiol. 38 (Suppl. 2), S259-S266 (2008). 10.1007/s00247-008-0795-z (Pubitemid 351521176)
27. W. A. Kalender, P. Deak, M. Kellermeier, M. van Straten, and S. V. Vollmar, Application- and patient size-dependent optimization of x-ray spectra for CT., Med. Phys. 36, 993-1007 (2009). 10.1118/1.3075901
28. M. Macari, B. Spieler, D. Kim, A. Graser, A. J. Megibow, J. Babb, and H. Chandarana, Dual-source dual-energy MDCT of pancreatic adenocarcinoma: Initial observations with data generated at 80 kVp and at simulated weighted-average 120 kVp., Am. J. Roentgenol. 194, W27-W32 (2010). 10.2214/AJR.09.2737
29. L. Yu, H. Li, J. G. Fletcher, and C. H. McCollough, Automatic selection of tube potential for radiation dose reduction in CT: A general strategy., Med. Phys. 37, 234-243 (2010). 10.1118/1.3264614
30. L. S. Guimaraes, J. G. Fletcher, W. S. Harmsen, L. Yu, H. Siddiki, Z. Melton, J. E. Huprich, D. Hough, R. Hartman, and C. H. McCollough, Appropriate patient selection at abdominal dual-energy CT using 80 kV: Relationship between patient size, image noise, and image quality., Radiology 257, 732-742 (2010). 10.1148/radiol.10092016