A review of patient dose and optimisation methods in adult and paediatric CT scanning

European Journal of Radiology

Volumn 81, Issue 4, 2012, Pages

  Dougeni, E ^a   Faulkner, K ^b   Panayiotakis, G ^c  

^a FREEMAN HOSPITAL   (United Kingdom)

^b North East Strategic Health Authority ^*  (United Kingdom)

^c UNIVERSITY OF PATRAS   (Greece)

Author keywords

Computed tomography; Effective dose; Paediatric; Radiation

Indexed keywords

ABDOMINAL RADIOGRAPHY; ALGORITHM; ANGIOCARDIOGRAPHY; BRAIN RADIOGRAPHY; CANCER RISK; COMPUTER ASSISTED TOMOGRAPHY; ECHOCARDIOGRAPHY; HEPATOGRAPHY; HUMAN; PANCREATOGRAPHY; PELVIS RADIOGRAPHY; PRIORITY JOURNAL; PROCESS OPTIMIZATION; PROSPECTIVE STUDY; RADIATION CARCINOGENESIS; RADIATION DOSE; RADIATION EXPOSURE; RADIODIAGNOSIS; RENOGRAPHY; REVIEW; SAMPLE SIZE; THORAX RADIOGRAPHY; UNITED KINGDOM;

ADULT; BODY BURDEN; CHILD; HUMANS; PEDIATRICS; RADIATION DOSAGE; RADIATION PROTECTION; TOMOGRAPHY, X-RAY COMPUTED;

EID: 84255202174     PISSN: 0720048X     EISSN: 18727727     Source Type: Journal    
DOI: 10.1016/j.ejrad.2011.05.025     Document Type: Review

References (236)

1. G.N. Hounsfield Computerized transverse axial scanning (tomography). 1. Description of system Br J Radiol 46 552 1973 1016 1022
2. F. Shannoun, H. Zeeb, C. Back, and M. Blettner Medical exposure of the population from diagnostic use of ionizing radiation in luxembourg between 1994 and 2002 Health Phys 91 2 2006 154 162 (Pubitemid 44086655)
3. J. Hansen, and A.G. Jurik Analysis of Current Practice of CT examinations Acta Oncol 48 2 2009 295 301
4. UNSCEAR United Nations Scientific Committee on the Effects of Atomic Radiation. Sources and effects of ionizing radiation. Report to the general assembly with scientific annexes, vol. I. New York: UNSCEAR; 2010.
5. Hart D, Wall BF, Hillier MC, Shrimpton PC. Frequency and collective dose for medical and dental X-ray examinations in the UK, 2008. Chilton, Didcot: HPA-CRCE-012; 2010.
6. NCRP National Council on Radiation Protection and Measurements. Report No. 160-ionizing radiation exposure of the population of the United States. Bethesda: NCRP; 2009.
7. W.A. Kalender, S. Ulzheimer, and M. Kachelrieß Cardiac imaging with multislice spiral computed tomography Scan reconstruction principles and quality assurance. Multislice CT: a practical guide 2001 Springer Heidelberg
8. A.F. Kopp, A. Kuttner, T. Trabold, M. Heuschmid, S. Schroder, and C.D. Claussen Multislice CT in cardiac and coronary angiography Br J Radiol 77 Spec No 1 2004 S87 S97 (Pubitemid 40057819)
9. D.D. Cody, and M. Mahesh AAPM/RSNA physics tutorial for residents: technologic advances in multidetector CT with a focus on cardiac imaging Radiographics 27 6 2007 1829 1837
10. E. Coche, S. Vynckier, and M. Octave-Prignot Pulmonary embolism: radiation dose with multi-detector row CT and digital angiography for diagnosis Radiology 240 3 2006 690 697 (Pubitemid 44267324)
11. S. Diederich, D. Wormanns, and W. Heindel Lung cancer screening with low-dose CT Eur J Radiol 45 1 2003 2 7 (Pubitemid 36020306)
12. P.B. Bach, J.R. Jett, U. Pastorino, M.S. Tockman, S.J. Swensen, and C.B. Begg Computed tomography screening and lung cancer outcomes JAMA 297 9 2007 953 961 (Pubitemid 46376749)
13. D.J. Brenner Radiation risks potentially associated with low-dose CT screening of adult smokers for lung cancer Radiology 231 2 2004 440 445 (Pubitemid 38552902)
14. I.A. Tsalafoutas, V. Tsapaki, C. Triantopoulou, A. Gorantonaki, and J. Papailiou CT-guided interventional procedures without CT fluoroscopy assistance: patient effective dose and absorbed dose considerations AJR Am J Roentgenol 188 6 2007 1479 1484 (Pubitemid 46866847)
15. J.F. Paul, A. Rohnean, and A. Sigal-Cinqualbre Multidetector CT for congenital heart patients: what a paediatric radiologist should know Pediatr Radiol 40 6 2010 869 875
16. D.P. Frush, L.F. Donnelly, and N.S. Rosen Computed tomography and radiation risks: what pediatric health care providers should know Pediatrics 112 4 2003 951 957 (Pubitemid 37248707)
17. D.P. Frush Pediatric abdominal CT angiography Pediatr Radiol 38 Suppl. 2 2008 S259 S266 (Pubitemid 351521176)
18. D.P. Frush, and L.F. Donnelly Helical CT in children: technical considerations and body applications Radiology 209 1 1998 37 48 (Pubitemid 28464645)
19. P. Garcia-Pena, and J. Lucaya HRCT in children: technique and indications Eur Radiol 14 Suppl. 4 2004 L13 L30 (Pubitemid 40603959)
20. G. Papaioannou, C. Young, and C.M. Owens Multidetector row CT for imaging the paediatric tracheobronchial tree Pediatr Radiol 37 6 2007 515 529 [quiz 612-3] (Pubitemid 46767441)
21. W.E. Muhogora, N.A. Ahmed, and J.S. Alsuwaidi Paediatric CT examinations in 19 developing countries: frequency and radiation dose Radiat Prot Dosim 140 1 2010 49 58
22. F.R. Verdun, D. Gutierrez, and J.P. Vader CT radiation dose in children: a survey to establish age-based diagnostic reference levels in Switzerland Eur Radiol 18 9 2008 1980 1986
23. J. Broder, L.A. Fordham, and D.M. Warshauer Increasing utilization of computed tomography in the pediatric emergency department, 2000-2006 Emerg Radiol 14 4 2007 227 232 (Pubitemid 47312546)
24. D.P. Frush Computed tomography: important considerations for pediatric patients Expert Rev Med Devices 2 5 2005 567 575 (Pubitemid 41447654)
25. T.C. Gerber, R.S. Kuzo, and R.L. Morin Techniques and parameters for estimating radiation exposure and dose in cardiac computed tomography Int J Cardiovasc Imaging 21 1 2005 165 176 (Pubitemid 41149239)
26. L.F. Rogers Dose reduction in CT: how low can we go? AJR Am J Roentgenol 179 2 2002 299 (Pubitemid 34785628)
27. D. Brenner, C. Elliston, E. Hall, and W. Berdon Estimated risks of radiation-induced fatal cancer from pediatric CT AJR Am J Roentgenol 176 2 2001 289 296 (Pubitemid 32105628)
28. R. Smith-Bindman, J. Lipson, and R. Marcus Radiation dose associated with common computed tomography examinations and the associated lifetime attributable risk of cancer Arch Intern Med 169 22 2009 2078 2086
29. W. Huda, U.J. Schoepf, J.A. Abro, E. Mah, and P. Costello Radiation-related cancer risks in a clinical patient population undergoing cardiac CT AJR Am J Roentgenol 196 2 2011 159 165
30. UNSCEAR United Nations Scientific Committee on the Effects of Atomic Radiation. Sources and effects of ionizing radiation. Report to the general assembly with scientific annexes, vol. II. Effects. New York: UNSCEAR; 2000.
31. BEIR VII Biological Effects of Ionizing Radiation. Health risks from exposure to low levels of ionizing radiation - phase 2. Washington, DC: The National Academies Press; 2005.
32. B. Huang, M.W. Law, H.K. Mak, S.P. Kwok, and P.L. Khong Pediatric 64-MDCT coronary angiography with ECG-modulated tube current: radiation dose and cancer risk AJR Am J Roentgenol 193 2 2009 539 544
33. S.T. Feng, M.W. Law, and B. Huang Radiation dose and cancer risk from pediatric CT examinations on 64-slice CT: a phantom study Eur J Radiol 76 2 2010 [e19-23 epub]
34. R.A. Kleinerman Cancer risks following diagnostic and therapeutic radiation exposure in children Pediatr Radiol 36 Suppl. 2 2006 121 125
35. AAPM American Association of Physicists in Medicine. The measurement, reporting, and management of radiation dose in CT. AAPM Task Group 23, Report 96. College Park, MD: AAPM; 2008.
36. ICRP International Commission on Radiological Protection. Managing patient dose in computed tomography. Publication 87. Oxford: ICRP; 2001.
37. EC European Commission. European guidelines on quality criteria for computed tomography. EUR 16262. Brussels: EUR; 1999.
38. IEC International Electrotechnical Commission. Medical electrical equipment-Part 2-44: particular requirements for the safety of X-ray equipment for computed tomography. IEC 60601-2-44. Geneva: IEC; 2001.
39. S.R. Prasad, C. Wittram, J.A. Shepard, T. McLoud, and J. Rhea Standard-dose and 50%-reduced-dose chest CT: comparing the effect on image quality AJR Am J Roentgenol 179 2 2002 461 465 (Pubitemid 34785653)
40. J.G. Ravenel, E.M. Scalzetti, W. Huda, and W. Garrisi Radiation exposure and image quality in chest CT examinations AJR Am J Roentgenol 177 2 2001 279 284 (Pubitemid 32660478)
41. C. Catalano, M. Francone, A. Ascarelli, M. Mangia, I. Iacucci, and R. Passariello Optimizing radiation dose and image quality Eur Radiol 17 Suppl. 6 2007 F26 F32 (Pubitemid 351337905)
42. O.W. Linton, and F.A. Mettler Jr. National conference on dose reduction in CT, with an emphasis on pediatric patients AJR Am J Roentgenol 181 2 2003 321 329 (Pubitemid 36909472)
43. W.E. Muhogora, N.A. Ahmed, and A. Beganovic Patient doses in CT examinations in 18 countries: initial results from International Atomic Energy Agency projects Radiat Prot Dosim 136 2 2009 118 126
44. P.C. Shrimpton, and B.F. Wall Reference doses for paediatric computed tomography Radiat Prot Dosim 90 1-2 2000 249 252
45. J.E. Aldrich, A.M. Bilawich, and J.R. Mayo Radiation doses to patients receiving computed tomography examinations in British Columbia Can Assoc Radiol J 57 2 2006 79 85 (Pubitemid 43735858)
46. K. Hatziioannou, E. Papanastassiou, M. Delichas, and P. Bousbouras A contribution to the establishment of diagnostic reference levels in CT Br J Radiol 76 908 2003 541 545 (Pubitemid 37028408)
47. C.J. Koller, J.P. Eatough, and A. Bettridge Variations in radiation dose between the same model of multislice CT scanner at different hospitals Br J Radiol 76 911 2003 798 802 (Pubitemid 37479338)
48. M.F. McNitt-Gray AAPM/RSNA physics tutorial for residents: topics in CT. Radiation dose in CT Radiographics 22 6 2002 1541 1553
49. T. Kubo, P.J. Lin, and W. Stiller Radiation dose reduction in chest CT: a review AJR Am J Roentgenol 190 2 2008 335 343 (Pubitemid 351196603)
50. Bongartz G, Golding SJ, Jurik AG, et al. European guidelines for multislice computed tomography; March 2004.
51. ICRP International Commission on Radiological Protection. Managing patient dose in multi-detector computed tomography (MDCT). Publication 102. Oxford: ICRP; 2007.
52. IAEA International Atomic Energy Agency. Radiation protection in newer medical imaging techniques: cardiac CT. Safety series report series No. 60. Vienna: IAEA; 2008.
53. IAEA International Atomic Energy Agency. Radiation protection in newer medical imaging techniques: CT colonography. Safety series report series No. 61. Vienna: IAEA;2008.
54. NRPB National Radiological Protection Board, Shrimpton PC, Hillier MC, Lewis MA, Dunn M. Doses from computed tomography examinations in the UK-2003 review. NRPB-W67. Chilton: NRPB; 2005.
55. P.C. Shrimpton, M.C. Hillier, M.A. Lewis, and M. Dunn National survey of doses from CT in the UK: 2003 Br J Radiol 79 948 2006 968 980 (Pubitemid 46157358)
56. C.J. Martin Effective dose: how should it be applied to medical exposures? Br J Radiol 80 956 2007 639 647 (Pubitemid 47517809)
57. W. Huda, K.M. Ogden, and M.R. Khorasani Converting dose-length product to effective dose at CT Radiology 248 3 2008 995 1003
58. Zankl M, Panzer W, Drexler G. Tomographic anthropomorphic models Part II: organ doses from computed tomographic examinations in paediatric radiology. Neuherberg: GSF-Forschungszentrum fur Umwelt and Gesundheit, 1993.
59. M. Zankl, W. Panzer, and H.G.D. Petoussi-Henss Organ doses for children from computed tomographic examinations Radiat Prot Dosim 57 1995 393 396
60. W. Huda, J.V. Atherton, D.E. Ware, and W.A. Cumming An approach for the estimation of effective radiation dose at CT in pediatric patients Radiology 203 2 1997 417 422 (Pubitemid 27176214)
61. N. Theocharopoulos, J. Damilakis, K. Perisinakis, A. Tzedakis, A. Karantanas, and N. Gourtsoyiannis Estimation of effective doses to adult and pediatric patients from multislice computed tomography: a method based on energy imparted Med Phys 33 10 2006 3846 3856 (Pubitemid 44505109)
62. C.L. Chapple, S. Willis, and J. Frame Effective dose in paediatric computed tomography Phys Med Biol 47 1 2002 107 115 (Pubitemid 34071351)
63. NRPB National Radiological Protection Board, Shrimpton PC. Assessment of patient dose in CT. NRPB-PE/1/2004. Chilton: NRPB; 2004
64. D. Papadimitriou, A. Perris, and A. Manetou A survey of 14 computed tomography scanners in Greece and 32 scanners in Italy. Examination frequencies, dose reference values, effective doses and doses to organs Radiat Prot Dosim 104 1 2003 47 53 (Pubitemid 36805831)
65. J. Clarke, K. Cranley, J. Robinson, P.H. Smith, and A. Workman Application of draft European Commission reference levels to a regional CT dose survey Br J Radiol 73 865 2000 43 50 (Pubitemid 30105406)
66. V. Tsapaki, J.E. Aldrich, and R. Sharma Dose reduction in CT while maintaining diagnostic confidence: diagnostic reference levels at routine head, chest, and abdominal CT-IAEA-coordinated research project Radiology 240 3 2006 828 834 (Pubitemid 44267341)
67. J.E. Ngaile, P. Msaki, and R. Kazema Current status of patient radiation doses from computed tomography examinations in Tanzania Radiat Prot Dosim 121 2 2006 128 135 (Pubitemid 44964208)
68. D. Origgi, S. Vigorito, G. Villa, M. Bellomi, and G. Tosi Survey of computed tomography techniques and absorbed dose in Italian hospitals: a comparison between two methods to estimate the dose-length product and the effective dose and to verify fulfilment of the diagnostic reference levels Eur Radiol 16 1 2006 227 237 (Pubitemid 43103589)
69. W.E. Muhogora, A.M. Nyanda, W.M. Ngoye, and D. Shao Radiation doses to patients during selected CT procedures at four hospitals in Tanzania Eur J Radiol 57 3 2006 461 467 (Pubitemid 43254930)
70. H.Y. Tsai, C.J. Tung, C.C. Yu, and Y.S. Tyan Survey of computed tomography scanners in Taiwan: dose descriptors, dose guidance levels, and effective doses Med Phys 34 4 2007 1234 1243 (Pubitemid 46555754)
71. M. Moss, and D. McLean Paediatric and adult computed tomography practice and patient dose in Australia Australas Radiol 50 1 2006 33 40
72. J.C. Heggie Patient doses in multi-slice CT and the importance of optimisation Australas Phys Eng Sci Med 28 2 2005 86 96 (Pubitemid 40960311)
73. S.J. Yates, L.C. Pike, and K.E. Goldstone Effect of multislice scanners on patient dose from routine CT examinations in East Anglia Br J Radiol 77 918 2004 472 478 (Pubitemid 38807561)
74. G. Brix, H.D. Nagel, and G. Stamm Radiation exposure in multi-slice versus single-slice spiral CT: results of a nationwide survey Eur Radiol 13 8 2003 1979 1991 (Pubitemid 36949729)
75. V. Tsapaki, S. Kottou, and D. Papadimitriou Application of European Commission reference dose levels in CT examinations in Crete, Greece Br J Radiol 74 885 2001 836 840 (Pubitemid 32926940)
76. A.J. Van der Molen, W.J. Veldkamp, and J. Geleijns 16-slice CT: achievable effective doses of common protocols in comparison with recent CT dose surveys Br J Radiol 80 952 2007 248 255 (Pubitemid 47018378)
77. W. Huda, C.C. Chamberlain, A.E. Rosenbaum, and W. Garrisi Radiation doses to infants and adults undergoing head CT examinations Med Phys 28 3 2001 393 399 (Pubitemid 32231696)
78. W. Huda, and A. Vance Patient radiation doses from adult and pediatric CT AJR Am J Roentgenol 188 2 2007 540 546 (Pubitemid 46170754)
79. M. Cohnen, L.J. Poll, C. Puettmann, K. Ewen, A. Saleh, and U. Modder Effective doses in standard protocols for multi-slice CT scanning Eur Radiol 13 5 2003 1148 1153 (Pubitemid 36790610)
80. W. Teeuwisse, J. Geleijns, and W. Veldkamp An inter-hospital comparison of patient dose based on clinical indications Eur Radiol 17 7 2007 1795 1805 (Pubitemid 46909668)
81. S.A.M. Kharuzhyk, S.A. Filjustin, A.E. Bogushevich, and E.V. Ugolkova Survey of computed tomography doses and establishment of national diagnostic reference levels in the Republic of Belarus Radiat Prot Dosim 139 1-3 2010 367 370
82. M. Cohnen, H.J. Wittsack, and S. Assadi Radiation exposure of patients in comprehensive computed tomography of the head in acute stroke AJNR Am J Neuroradiol 27 8 2006 1741 1745 (Pubitemid 44413563)
83. K. Fujii, T. Aoyama, S. Koyama, and C. Kawaura Comparative evaluation of organ and effective doses for paediatric patients with those for adults in chest and abdominal CT examinations Br J Radiol 80 956 2007 657 667 (Pubitemid 47517811)
84. K. Fujii, T. Aoyama, and C. Yamauchi-Kawaura Radiation dose evaluation in 64-slice CT examinations with adult and paediatric anthropomorphic phantoms Br J Radiol 82 984 2009 1010 1018
85. H. Imhof, N. Schibany, and A. Ba-Ssalamah Spiral CT and radiation dose Eur J Radiol 47 1 2003 29 37 (Pubitemid 37304889)
86. Y.S. Tyan, H.Y. Tsai, Y.L. Hung, N.G. Lia, and C.P. Chen In vivo dose assessment of multislice CT in abdominal examinations Radiat Meas 43 2008 1012 1016
87. P. Stolzmann, S. Leschka, and H. Scheffel Dual-source CT in step-and-shoot mode: noninvasive coronary angiography with low radiation dose Radiology 249 1 2008 71 80
88. K.T. Bae, C. Hong, and B.R. Whiting Radiation dose in multidetector row computed tomography cardiac imaging J Magn Reson Imaging 19 6 2004 859 863 (Pubitemid 38788664)
89. O. Klass, M. Jeltsch, and S. Feuerlein Prospectively gated axial CT coronary angiography: preliminary experiences with a novel low-dose technique Eur Radiol 19 4 2009 829 836
90. A.J. Einstein, M.J. Henzlova, and S. Rajagopalan Estimating risk of cancer associated with radiation exposure from 64-slice computed tomography coronary angiography JAMA 298 3 2007 317 323 (Pubitemid 47080486)
91. W.G. Weigold, M.E. Olszewski, and M.J. Walker Low-dose prospectively gated 256-slice coronary computed tomographic angiography IntJ Cardiovasc Imaging 25 2009 217 230
92. N. Hirai, J. Horiguchi, and C. Fujioka Prospective versus retrospective ECG-gated 64-detector coronary CT angiography: assessment of image quality, stenosis, and radiation dose Radiology 248 2 2008 424 430
93. L.M. Hurwitz, R.E. Reiman, and T.T. Yoshizumi Radiation dose from contemporary cardiothoracic multidetector CT protocols with an anthropomorphic female phantom: implications for cancer induction Radiology 245 3 2007 742 750 (Pubitemid 350127344)
94. A.J. Einstein, J. Sanz, and S. Dellegrottaglie Radiation dose and cancer risk estimates in 16-slice computed tomography coronary angiography J Nucl Cardiol 15 2 2008 232 240 (Pubitemid 351396314)
95. J.P. Earls, E.L. Berman, and B.A. Urban Prospectively gated transverse coronary CT angiography versus retrospectively gated helical technique: improved image quality and reduced radiation dose Radiology 246 3 2008 742 753
96. W.P. Shuman, K.R. Branch, and J.M. May Prospective versus retrospective ECG gating for 64-detector CT of the coronary arteries: comparison of image quality and patient radiation dose Radiology 248 2 2008 431 437
97. S. Mori, K. Nishizawa, C. Kondo, M. Ohno, K. Akahane, and M. Endo Effective doses in subjects undergoing computed tomography cardiac imaging with the 256-multislice CT scanner Eur J Radiol 65 3 2008 442 448 (Pubitemid 351273956)
98. D.R. Coles, M.A. Smail, and I.S. Negus Comparison of radiation doses from multislice computed tomography coronary angiography and conventional diagnostic angiography J Am Coll Cardiol 47 9 2006 1840 1845
99. J. Horiguchi, M. Kiguchi, and C. Fujioka Radiation dose, image quality, stenosis measurement, and CT densitometry using ECG-triggered coronary 64-MDCT angiography: a phantom study AJR Am J Roentgenol 190 2 2008 315 320 (Pubitemid 351196600)
100. P. Hunold, F.M. Vogt, and A. Schmermund Radiation exposure during cardiac CT: effective doses at multi-detector row CT and electron-beam CT Radiology 226 1 2003 145 152 (Pubitemid 36163922)
101. A. Gopal, S.S. Mao, and D. Karlsberg Radiation reduction with prospective ECG-triggering acquisition using 64-multidetector Computed Tomographic angiography Int J Cardiovasc Imaging 25 4 2009 405 416
102. T. Trabold, M. Buchgeister, and A. Kuttner Estimation of radiation exposure in 16-detector row computed tomography of the heart with retrospective ECG-gating ROFO 175 8 2003 1051 1055 (Pubitemid 37059266)
103. J. Hausleiter, T. Meyer, and M. Hadamitzky Radiation dose estimates from cardiac multislice computed tomography in daily practice: impact of different scanning protocols on effective dose estimates Circulation 113 10 2006 1305 1310 (Pubitemid 43739452)
104. T. Dill, A. Deetjen, and O. Ekinci Radiation dose exposure in multislice computed tomography of the coronaries in comparison with conventional coronary angiography Int J Cardiol 124 3 2008 307 311 (Pubitemid 351305381)
105. G.M. Feuchtner, D. Jodocy, and A. Klauser Radiation dose reduction by using 100-kV tube voltage in cardiac 64-slice computed tomography: a comparative study Eur J Radiol 75 1 2010 51 56
106. E.P. Efstathopoulos, N.L. Kelekis, and I. Pantos Reduction of the estimated radiation dose and associated patient risk with prospective ECG-gated 256-slice CT coronary angiography Phys Med Biol 54 17 2009 5209 5222
107. B.A. Herzog Accuracy of low-dose computed tomography coronary angiography using prospective electrocardiogram-triggering: first clinical experience Eur Heart J 29 2008 3037 3042
108. L.M. Hurwitz, T.T. Yoshizumi, and R.E. Reiman Radiation dose to the female breast from 16-MDCT body protocols AJR Am J Roentgenol 186 6 2006 1718 1722 (Pubitemid 46115730)
109. J.W. Kuiper, J. Geleijns, N.A. Matheijssen, W. Teeuwisse, and P.M. Pattynama Radiation exposure of multi-row detector spiral computed tomography of the pulmonary arteries: comparison with digital subtraction pulmonary angiography Eur Radiol 13 7 2003 1496 1500 (Pubitemid 36869336)
110. J. O'Neill, J.T. Murchison, L. Wright, and J. Williams Effect of the introduction of helical CT on radiation dose in the investigation of pulmonary embolism Br J Radiol 78 925 2005 46 50 (Pubitemid 40277137)
111. K.E. Thomas, and B. Wang Age-specific effective doses for pediatric MSCT examinations at a large children's hospital using DLP conversion coefficients: a simple estimation method Pediatr Radiol 38 6 2008 645 656
112. D. Papadimitriou, A. Louizi, T. Makri, B. Theodoropoulos, and P. Ch Computed tomography dosimetry in children Radiat Prot Dosim 90 4 2000 417 422
113. J. Pages, N. Buls, and M. Osteaux CT doses in children: a multicentre study Br J Radiol 76 911 2003 803 811 (Pubitemid 37479339)
114. R.J. Staton, C. Lee, and C. Lee Organ and effective doses in newborn patients during helical multislice computed tomography examination Phys Med Biol 51 20 2006 5151 5166 (Pubitemid 44540123)
115. W. Huda Radiation doses and risks in chest computed tomography examinations Proc Am Thorac Soc 4 4 2007 316 320 (Pubitemid 47330863)
116. D. McLean, N. Malitz, and S. Lewis Survey of effective dose levels from typical paediatric CT protocols Australas Radiol 47 2 2003 135 142 (Pubitemid 36783108)
117. C. Coursey, D.P. Frush, T. Yoshizumi, G. Toncheva, G. Nguyen, and S.B. Greenberg Pediatric chest MDCT using tube current modulation: effect on radiation dose with breast shielding AJR Am J Roentgenol 190 1 2008 W54 W61
118. D.E. Ware, W. Huda, P.J. Mergo, and A.L. Litwiller Radiation effective doses to patients undergoing abdominal CT examinations Radiology 210 3 1999 645 650 (Pubitemid 29124022)
119. D.P. Frush, and T. Yoshizumi Conventional and CT angiography in children: dosimetry and dose comparisons Pediatr Radiol 36Suppl2 2006 154 158
120. C.L. Hollingsworth, T.T. Yoshizumi, and D.P. Frush Pediatric cardiac-gated CT angiography: assessment of radiation dose AJR Am J Roentgenol 189 1 2007 12 18 (Pubitemid 46983178)
121. J. Donadieu, C. Roudier, M. Saguintaah, C. Maccia, and R. Chiron Estimation of the radiation dose from thoracic CT scans in a cystic fibrosis population Chest 132 4 2007 1233 1238 (Pubitemid 47620998)
122. P. Dawson Patient dose in multislice CT: why is it increasing and does it matter? Br J Radiol 77 Spec No 1 2004 S10 S13
123. J.R. Mayo, J. Aldrich, and N.L. Muller Radiation exposure at chest CT: a statement of the Fleischner Society Radiology 228 1 2003 15 21 (Pubitemid 36736063)
124. M.J. Budoff Maximizing dose reductions with cardiac CT Int J Cardiovasc Imaging 25 Suppl. 2 2009 279 287
125. W. Kalender Computed tomography: fundamentals, system technology, image quality, applications 2000 Publicis MCD Verlag Erlangen, Munich
126. A. Tzedakis, J. Damilakis, K. Perisinakis, J. Stratakis, and N. Gourtsoyiannis The effect of z overscanning on patient effective dose from multidetector helical computed tomography examinations Med Phys 32 6 2005 1621 1629 (Pubitemid 40880556)
127. A. Tzedakis, J. Damilakis, K. Perisinakis, A. Karantanas, S. Karabekios, and N. Gourtsoyiannis Influence of z overscanning on normalized effective doses calculated for pediatric patients undergoing multidetector CT examinations Med Phys 34 4 2007 1163 1175 (Pubitemid 46555747)
128. P.D. Deak, O. Langner, M. Lell, and W.A. Kalender Effects of adaptive section collimation on patient radiation dose in multisection spiral CT Radiology 252 1 2009 140 147
129. J.C. Heggie, J.K. Kay, and W.K. Lee Importance in optimization of multi-slice computed tomography scan protocols Australas Radiol 50 3 2006 278 285 (Pubitemid 43823209)
130. M.K. Kalra, M.M. Maher, and T.L. Toth Strategies for CT radiation dose optimization Radiology 230 3 2004 619 628 (Pubitemid 38252854)
131. L.M. Hamberg, J.T. Rhea, G.J. Hunter, and J.H. Thrall Multi-detector row CT: radiation dose characteristics Radiology 226 3 2003 762 772 (Pubitemid 36259153)
132. D. Gosch, R. Kloeppel, S. Lieberenz, and H.-G. Schulz Radiation exposure in computed tomography Radiat Prot Dosim 80 1-3 1998 167 169 (Pubitemid 29015515)
133. W.H. Moore, M. Bonvento, and R. Olivieri-Fitt Comparison of MDCT radiation dose: a phantom study AJR Am J Roentgenol 187 5 2006 W498 W502
134. S. Mori, M. Endo, K. Nishizawa, K. Murase, H. Fujiwara, and S. Tanada Comparison of patient doses in 256-slice CT and 16-slice CT scanners Br J Radiol 79 937 2006 56 61 (Pubitemid 43159317)
135. O.J. Arthurs, S.J. Yates, P.A. Set, D.A. Gibbons, and A.K. Dixon Evaluation of image quality and radiation dose in adolescent thoracic imaging: 64-slice is preferable to 16-slice multislice CT Br J Radiol 82 974 2009 157 161
136. N. Hidajat, M. Wolf, and A. Nunnemann Survey of conventional and spiral CT doses Radiology 218 2 2001 395 401 (Pubitemid 32121049)
137. I. Pantos, S. Thalassinou, S. Argentos, N.L. Kelekis, G. Panayiotakis, and E.P. Efstathopoulos Adult patient radiation doses from non-cardiac CT examinations: a review of published results Br J Radiol 84 1000 2011 293 303
138. D. McLean Computed tomography doses in children Lancet 363 9416 2004 1178 (Pubitemid 38481841)
139. A. Paterson, D.P. Frush, and L.F. Donnelly Helical CT of the body: are settings adjusted for pediatric patients? AJR Am J Roentgenol 176 2 2001 297 301 (Pubitemid 32105629)
140. W. Huda, and K.M. Ogden Computing effective doses to pediatric patients undergoing body CT examinations Pediatr Radiol 38 4 2008 415 423
141. A. Khursheed, M.C. Hillier, P.C. Shrimpton, and B.F. Wall Influence of patient age on normalized effective doses calculated for CT examinations Br J Radiol 75 898 2002 819 830 (Pubitemid 35252009)
142. W. Huda, E.M. Scalzetti, and G. Levin Technique factors and image quality as functions of patient weight at abdominal CT Radiology 217 2 2000 430 435
143. W. Huda, E.M. Scalzetti, and M. Roskopf Effective doses to patients undergoing thoracic computed tomography examinations Med Phys 27 5 2000 838 844 (Pubitemid 30349991)
144. C.J. Kotre, and S.P. Willis A method for the systematic selection of technique factors in paediatric CT Br J Radiol 76 901 2003 51 56 (Pubitemid 36236299)
145. 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 3 2009 993 1007
146. L. Yu, H. Li, and J.G. Fletcher McCollough CH. Automatic selection of tube potential for radiation dose reduction in CT: a general strategy Med Phys 37 1 2010 234 243
147. J.J. DeMarco, C.H. Cagnon, and D.D. Cody Estimating radiation doses from multidetector CT using Monte Carlo simulations: effects of different size voxelized patient models on magnitudes of organ and effective dose Phys Med Biol 52 9 2007 2583 2597 (Pubitemid 46778528)
148. J.E. Aldrich, S.D. Chang, A.M. Bilawich, and J.R. Mayo Radiation dose in abdominal computed tomography: the role of patient size and the selection of tube current Can Assoc Radiol J 57 3 2006 152 158 (Pubitemid 44033333)
149. J.M. Boone, E.M. Geraghty, J.A. Seibert, and S.L. Wootton-Gorges Dose reduction in pediatric CT: a rational approach Radiology 228 2 2003 352 360 (Pubitemid 36910072)
150. J.E. Wildberger, A.H. Mahnken, and T. Schmitz-Rode Individually adapted examination protocols for reduction of radiation exposure in chest CT Invest Radiol 36 10 2001 604 611 (Pubitemid 32959167)
151. S. Singh, M.K. Kalra, and M.A. Moore Dose reduction and compliance with pediatric CT protocols adapted to patient size, clinical indication, and number of prior studies Radiology 252 1 2009 200 208
152. T.Y. Lee, and R.K. Chhem Impact of new technologies on dose reduction in CT Eur J Radiol 76 1 2010 28 35
153. W.A. Kalender, S. Buchenau, and P. Deak Technical approaches to the optimisation of CT Phys Med 24 2 2008 71 79
154. M.A. Lewis, and S. Edyvean Patient dose reduction in CT Br J Radiol 78 934 2005 880 883 (Pubitemid 41582236)
155. M.K. Kalra, M.M. Maher, and T.L. Toth Techniques and applications of automatic tube current modulation for CT Radiology 233 3 2004 649 657
156. H.T. Abada, C. Larchez, B. Daoud, A. Sigal-Cinqualbre, and J.F. Paul MDCT of the coronary arteries: feasibility of low-dose CT with ECG-pulsed tube current modulation to reduce radiation dose AJR Am J Roentgenol 186 6 Suppl. 2 2006 S387 S390 (Pubitemid 46105409)
157. C.H. Lee, J.M. Goo, and H.J. Ye Radiation dose modulation techniques in the multidetector CT era: from basics to practice Radiographics 28 5 2008 1451 1459
158. S. Gundogdu, K. Mahmutyazicioglu, H. Ozdemir, A. Savranlar, and K. Asil Assessment of image quality of a standard and three dose-reducing protocols in adult cranial CT Eur Radiol 15 9 2005 1959 1968 (Pubitemid 41222904)
159. I. Mastora, M. Remy-Jardin, and V. Delannoy Multi-detector row spiral CT angiography of the thoracic outlet: dose reduction with anatomically adapted online tube current modulation and preset dose savings Radiology 230 1 2004 116 124 (Pubitemid 37549792)
160. T.H. Mulkens, P. Bellinck, and M. Baeyaert Use of an automatic exposure control mechanism for dose optimization in multi-detector row CT examinations: clinical evaluation Radiology 237 1 2005 213 223 (Pubitemid 41346166)
161. H. Greess, H. Wolf, and U. Baum Dose reduction in computed tomography by attenuation-based on-line modulation of tube current: evaluation of six anatomical regions Eur Radiol 10 2 2000 391 394 (Pubitemid 30136846)
162. W.A. Kalender Computed tomography: influence of exposure parameters and the establishment of reference dose values Radiat Prot Dosim 80 1-3 1998 163 166 (Pubitemid 29015514)
163. M.K. Kalra, S. Prasad, and S. Saini Clinical comparison of standard-dose and 50% reduced-dose abdominal CT: effect on image quality AJR Am J Roentgenol 179 5 2002 1101 1106 (Pubitemid 35204358)
164. I.R. Kamel, R.J. Hernandez, J.E. Martin, A.E. Schlesinger, L.T. Niklason, and K.E. Guire Radiation dose reduction in CT of the pediatric pelvis Radiology 190 3 1994 683 687 (Pubitemid 24071029)
165. A.H. Mahnken, J.E. Wildberger, and J. Simon Detection of coronary calcifications: feasibility of dose reduction with a body weight-adapted examination protocol AJR Am J Roentgenol 181 2 2003 533 538 (Pubitemid 36909504)
166. Y. Nakayama, K. Awai, and Y. Funama Lower tube voltage reduces contrast
167. 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 2 2004 515 522 (Pubitemid 39423813)
168. A.B. Sigal-Cinqualbre, R. Hennequin, H.T. Abada, X. Chen, and J.F. Paul Low-kilovoltage multi-detector row chest CT in adults: feasibility and effect on image quality and iodine dose Radiology 231 1 2004 169 174 (Pubitemid 38375425)
169. S.T. Schindera, P. Graca, and M.A. Patak Thoracoabdominal-aortoiliac multidetector-row CT angiography at 80 and 100 kVp: assessment of image quality and radiation dose Invest Radiol 44 10 2009 650 655
170. Y. Funama, K. Awai, and Y. Nakayama Radiation dose reduction without degradation of low-contrast detectability at abdominal multisection CT with a low-tube voltage technique: phantom study Radiology 237 3 2005 905 910 (Pubitemid 41636380)
171. Y. Nakayama, K. Awai, and Y. Funama Abdominal CT with low tube voltage: preliminary observations about radiation dose, contrast enhancement, image quality, and noise Radiology 237 3 2005 945 951 (Pubitemid 41636385)
172. D. Honnef, A.H. Mahnken, and G. Haras Pediatric multidetector computed tomography using tube current modulation and a patient image gallery Acta Radiol 49 4 2008 475 483 (Pubitemid 351598805)
173. D. Honnef, J.E. Wildberger, and G. Haras Prospective evaluation of image quality with use of a patient image gallery for dose reduction in pediatric 16-MDCT AJR Am J Roentgenol 190 2 2008 467 473 (Pubitemid 351196619)
174. A.G. Jurik, K.A. Jessen, and J. Hansen Image quality and dose in computed tomography Eur Radiol 7 1 1997 77 81 (Pubitemid 127538526)
175. R. Shah, A.K. Gupta, M.M. Rehani, A.K. Pandey, and S. Mukhopadhyay Effect of reduction in tube current on reader confidence in paediatric computed tomography Clin Radiol 60 2 2005 224 231 (Pubitemid 40123496)
176. C. Suess, and X. Chen Dose optimization in pediatric CT: current technology and future innovations Pediatr Radiol 32 10 2002 729 734 [discussion 51-4] (Pubitemid 36067729)
177. D. Tack, V. De Maertelaer, and W. Petit Multi-detector row CT pulmonary angiography: comparison of standard-dose and simulated low-dose techniques Radiology 236 1 2005 318 325 (Pubitemid 40853329)
178. A.B. Smith, W.P. Dillon, and B.C. Lau Radiation dose reduction strategy for CT protocols: successful implementation in neuroradiology section Radiology 247 2 2008 499 506
179. L.F. Donnelly, K.H. Emery, and A.S. Brody Minimizing radiation dose for pediatric body applications of single-detector helical CT: strategies at a large Children's Hospital AJR Am J Roentgenol 176 2 2001 303 306 (Pubitemid 32105630)
180. M.A. Staniszewska, M. Obrzut, and K. Rybka Phantom studies for possible dose reduction in CT head procedures Radiat Prot Dosim 114 1-3 2005 326 331 (Pubitemid 40883704)
181. J. Lucaya, J. Piqueras, P. Garcia-Pena, G. Enriquez, M. Garcia-Macias, and J. Sotil Low-dose high-resolution CT of the chest in children and young adults: dose, cooperation, artifact incidence, and image quality AJR Am J Roentgenol 175 4 2000 985 992
182. C. Herzog, D.M. Mulvihill, and S.A. Nguyen Pediatric cardiovascular CT angiography: radiation dose reduction using automatic anatomic tube current modulation AJR Am J Roentgenol 190 5 2008 1232 1240 (Pubitemid 351684935)
183. D. Fleischmann, and F.E. Boas Computed tomography-old ideas and new technology Eur Radiol 21 3 2011 510 517
184. A.K. Hara, R.G. Paden, A.C. Silva, J.L. Kujak, H.J. Lawder, and W. Pavlicek Iterative reconstruction technique for reducing body radiation dose at CT: feasibility study AJR Am J Roentgenol 193 3 2009 764 771
185. J.B. Thibault, K.D. Sauer, C.A. Bouman, and J. Hsieh A three-dimensional statistical approach to improved image quality for multislice helical CT Med Phys 34 11 2007 4526 4544 (Pubitemid 350029675)
186. J. Leipsic, T.M. Labounty, and B. Heilbron Adaptive statistical iterative reconstruction: assessment of image noise and image quality in coronary CT angiography AJR Am J Roentgenol 195 3 2010 649 654
187. G. Wang, H. Yu, and B. De Man An outlook on X-ray CT research and development Med Phys 35 3 2008 1051 1064 (Pubitemid 351322651)
188. A.C. Silva, H.J. Lawder, A. Hara, J. Kujak, and W. Pavlicek Innovations in CT dose reduction strategy: application of the adaptive statistical iterative reconstruction algorithm AJR Am J Roentgenol 194 1 2010 191 199
189. M.S. Bittencourt, B. Schmidt, and M. Seltmann Iterative reconstruction in image space (IRIS) in cardiac computed tomography: initial experience Int J Cardiovasc Imaging 2010
190. P. Prakash, M.K. Kalra, and A.K. Kambadakone Reducing abdominal CT radiation dose with adaptive statistical iterative reconstruction technique Invest Radiol 45 4 2010 202 210
191. P. Prakash, M.K. Kalra, and S.R. Digumarthy Radiation dose reduction with chest computed tomography using adaptive statistical iterative reconstruction technique: initial experience J Comput Assist Tomogr 34 1 2010 40 45
192. O. Honda, M. Yanagawa, and A. Inoue Image quality of multiplanar reconstruction of pulmonary ct scans using adaptive statistical iterative reconstruction Br J Radiol 2010
193. H. Alkadhi, P. Stolzmann, and H. Scheffel Radiation dose of cardiac dual-source CT: the effect of tailoring the protocol to patient-specific parameters Eur J Radiol 68 3 2008 385 391
194. J. Hausleiter, T. Meyer, and F. Hermann Estimated radiation dose associated with cardiac CT angiography JAMA 301 5 2009 500 507
195. S. Achenbach, M. Marwan, and D. Ropers Coronary computed tomography angiography with a consistent dose below 1 mSv using prospectively electrocardiogram-triggered high-pitch spiral acquisition Eur Heart J November 2009 [Epub ahead of print]
196. B. Bischoff, F. Hein, and T. Meyer Trends in radiation protection in CT: present and future status J Cardiovasc Comput Tomogr 3 Suppl. 2 2009 S65 S73
197. H. Alkadhi Radiation dose of cardiac CT - what is the evidence? Eur Radiol 19 6 2009 1311 1315
198. W.P. Shuman, K.R. Branch, and J.M. May Whole-chest 64-MDCT of emergency department patients with nonspecific chest pain: radiation dose and coronary artery image quality with prospective ECG triggering versus retrospective ECG gating AJR Am J Roentgenol 192 6 2009 1662 1667
199. H.W. Goo, and D.S. Suh Tube current reduction in pediatric non-ECG-gated heart CT by combined tube current modulation Pediatr Radiol 36 4 2006 344 351
200. M.E. Arch, and D.P. Frush Pediatric body MDCT: a 5-year follow-up survey of scanning parameters used by pediatric radiologists AJR Am J Roentgenol 191 2 2008 611 617
201. L. Krille, G.P. Hammer, H. Merzenich, and H. Zeeb Systematic review on physician's knowledge about radiation doses and radiation risks of computed tomography Eur J Radiol 76 1 2010 36 41
202. C.M. Heyer, J. Hansmann, S.A. Peters, and S.P. Lemburg Paediatrician awareness of radiation dose and inherent risks in chest imaging studies - a questionnaire study Eur J Radiol 76 2 2010 288 293
203. K.E. Thomas, J.E. Parnell-Parmley, and S. Haidar Assessment of radiation dose awareness among pediatricians Pediatr Radiol 36 8 2006 823 832 (Pubitemid 44138277)
204. H.E. Rice, D.P. Frush, M.J. Harker, D. Farmer, and J.H. Waldhausen Peer assessment of pediatric surgeons for potential risks of radiation exposure from computed tomography scans J Pediatr Surg 42 7 2007 1157 1164 (Pubitemid 47018306)
205. C.I. Lee, A.H. Haims, E.P. Monico, J.A. Brink, and H.P. Forman Diagnostic CT scans: assessment of patient, physician, and radiologist awareness of radiation dose and possible risks Radiology 231 2 2004 393 398 (Pubitemid 38552895)
206. J.A. Soye, and A. Paterson A survey of awareness of radiation dose among health professionals in Northern Ireland Br J Radiol 81 969 2008 725 729
207. K. Jacob, G. Vivian, and J.R. Steel X-ray dose training: are we exposed to enough? Clin Radiol 59 10 2004 928 934 [discussion 6-7] (Pubitemid 39276934)
208. K.M. Takakuwa, A.T. Estepa, and F.S. Shofer Knowledge and attitudes of emergency department patients regarding radiation risk of CT: effects of age, sex, race, education, insurance, body mass index, pain, and seriousness of illness AJR Am J Roentgenol 195 5 2010 1151 1158
209. D.B. Larson, S.B. Rader, H.P. Forman, and L.Z. Fenton Informing parents about CT radiation exposure in children: it's OK to tell them AJR Am J Roentgenol 189 2 2007 271 275 (Pubitemid 47195909)
210. R.A. Nievelstein, I.M. van Dam, and A.J. van der Molen Multidetector CT in children: current concepts and dose reduction strategies Pediatr Radiol 40 8 2010 1324 1344
211. L.F. Donnelly Reducing radiation dose associated with pediatric CT by decreasing unnecessary examinations AJR Am J Roentgenol 184 2 2005 655 657 (Pubitemid 46657280)
212. D.P. Frush Pediatric CT: practical approach to diminish the radiation dose Pediatr Radiol 32 10 2002 714 717 [discussion 51-4] (Pubitemid 36067726)
213. F.A. Mettler Jr., P.W. Wiest, J.A. Locken, and C.A. Kelsey CT scanning: patterns of use and dose J Radiol Prot 20 4 2000 353 359 (Pubitemid 32015689)
214. A. Sodickson, P.F. Baeyens, and K.P. Andriole Recurrent CT, cumulative radiation exposure, and associated radiation-induced cancer risks from CT of adults Radiology 251 1 2009 175 184
215. H. Oikarinen, S. Merilainen, E. Paakko, A. Karttunen, M.T. Nieminen, and O. Tervonen Unjustified CT examinations in young patients Eur Radiol 19 5 2009 1161 1165
216. J.C. Clarke, K. Cranley, B.E. Kelly, K. Bell, and P.H. Smith Provision of MRI can significantly reduce CT collective dose Br J Radiol 74 886 2001 926 931 (Pubitemid 33064637)
217. C. Triantopoulou, I. Tsalafoutas, and P. Maniatis Analysis of radiological examination request forms in conjunction with justification of X-ray exposures Eur J Radiol 53 2 2005 306 311 (Pubitemid 40143594)
218. D.J. Brenner Slowing the increase in the population dose resulting from CT scans Radiat Res 174 6 2010 809 815
219. EC European Commission. Referral giudelines for imaging. Radiation Protection 118. Luxembourg: Office for Official Publications of the European Communities; 2001.
220. E.S. Amis Jr., and P.F. Butler ACR white paper on radiation dose in medicine: three years later J Am Coll Radiol 7 11 2010 865 870
221. RCR Royal College of Radioogists. Making the best use of clinical radiology services (MBUR), 6th edition, Royal College of Radiologists, London: RCR; 2007.
222. A.J. Taylor, M. Cerqueira, and J.M. Hodgson ACCF/SCCT/ACR/AHA/ASE/ASNC/ NASCI/SCAI/SCMR 2010 Appropriate use criteria for cardiac computed tomography. A report of the American College of Cardiology Foundation appropriate use criteria task force, the Society of Cardiovascular Computed Tomography, the American College of Radiology, the American Heart Association, the American Society of Echocardiography, the American Society of Nuclear Cardiology, the North American Society for Cardiovascular Imaging, the Society for Cardiovascular Angiography and Interventions, and the Society for Cardiovascular Magnetic Resonance J Cardiovasc Comput Tomogr. 4 November-December (6) 2010 407 e1-33 [Epub 2010 Nov 23]
223. C.I. Henschke, P. Boffetta, O. Gorlova, R. Yip, J.O. Delancey, and M. Foy Assessment of lung-cancer mortality reduction from CT screening Lung Cancer 71 3 2011 328 332
224. R.J. van Klaveren, H.J. de Koning, J. Mulshine, and F.R. Hirsch Lung cancer screening by spiral CT. What is the optimal target population for screening trials? Lung Cancer 38 3 2002 243 252 (Pubitemid 35341798)
225. W. Huda Dose and image quality in CT Pediatr Radiol 32 10 2002 709 713 [discussion 51-4] (Pubitemid 36067725)
226. A.S. Brody, D.P. Frush, W. Huda, and R.L. Brent Radiation risk to children from computed tomography Pediatrics 120 3 2007 677 682 (Pubitemid 47358314)
227. N.B. Shah, and S.L. Platt ALARA: is there a cause for alarm? Reducing radiation risks from computed tomography scanning in children Curr Opin Pediatr 20 3 2008 243 247 (Pubitemid 351670526)
228. IAEA International Atomic Energy Agency. Dose reduction in CT while maintaining diagnostic confidence: a feasibility/demonstration study. IAEA-TECDOC-1621. Vienna: IAEA; 2009.
229. S.J. Golding Multi-slice computed tomography (MSCT): the dose challenge of the new revolution Radiat Prot Dosim 114 1-3 2005 303 307 (Pubitemid 40883699)
230. IAEA International Atomic Energy Agency. Summary of the first meeting of the Smart Card (Smart Access) Project of the IAEA held in VIC. Vienna: IAEA; 27-29 April 2009.
231. A. Berrington de Gonzalez, M. Mahesh, and K.P. Kim Projected cancer risks from computed tomographic scans performed in the United States in 2007 Arch Intern Med 169 22 2009 2071 2077
232. D.J. Brenner, and E.J. Hall Computed tomography - an increasing source of radiation exposure N Engl J Med 357 22 2007 2277 2284 (Pubitemid 350190758)
233. L.J. Kroft, J.J. Roelofs, and J. Geleijns Scan time and patient dose for thoracic imaging in neonates and small children using axial volumetric 320-detector row CT compared to helical 64-, 32-, and 16-detector row CT acquisitions Pediatr Radiol 40 3 2010 294 300
234. P. Vock CT dose reduction in children Eur Radiol 15 11 2005 2330 2340 (Pubitemid 41600119)
235. T.L. Slovis The ALARA concept in pediatric CT: myth or reality? Radiology 223 1 2002 5 6 (Pubitemid 34258183)
236. L.F. Rogers Low-dose CT: how are we doing? AJR Am J Roentgenol 180 2 2003 303 (Pubitemid 36135001)