Is it time to retire the CTDI for CT quality assurance and dose optimization?

Medical Physics

Volumn 32, Issue 10, 2005, Pages 3225-3226

  Brenner, David J ^a  

^a Department of Medicine   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DOSE OPTIMIZATION;

QUALITY ASSURANCE;

METAL OXIDE;

CANCER RISK; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER ASSISTED TOMOGRAPHY DOSE INDEX; COST BENEFIT ANALYSIS; DOSIMETER; DOSIMETRY; LETTER; METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR; MONEY; MONTE CARLO METHOD; PHANTOM; PRIORITY JOURNAL; QUALITY CONTROL; RADIATION CARCINOGENESIS; RADIATION DOSE; RISK ASSESSMENT; SEMICONDUCTOR; THERMOLUMINESCENCE DOSIMETER;

EID: 27244435866     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2040747     Document Type: Letter

References (26)

1. P. C. Shrimpton, D. Hart, M. C. Hiller, B. F. Wall, and K. Faulkner, "Survey of CT practice in the UK. 1. Aspects of examination frequency and quality assurance," National Radiological Protection Board, Report No. 248, 1991.
2. K. A. Jessen, P. C. Shrimpton, J. Geleijns, W. Panzer, and G. Tosi, "Dosimetry for optimisation of patient protection in computed tomography," Appl. Radiat. Isot. 50, 165-172 (1999).
3. T. B. Shope, R. M. Gagne, and G. C. Johnson, "A method for describing the doses delivered by transmission x-ray computed tomography," Med. Phys. 8, 488-495 (1981).
4. A. Suzuki and M. N. Suzuki, "Use of a pencil-shaped ionization chamber for measurement of exposure resulting from a computed tomography scan," Med. Phys. 5, 536-539 (1978).
5. R. A. Jucius and G. X. Kambic, "Radiation dosimetry in computed tomography (CT)," Proc. Soc. Photo-Opt. Instrum. Eng. 127, 286-295 (1977).
6. M. F. McNitt-Gray, "AAPM/RSNA Physics Tutorial for Residents: Topics in CT. Radiation dose in CT," Radiographics 22, 1541-1553 (2002).
7. R. L. Dixon, "A new look at CT dose measurement: Beyond CTDI," Med. Phys. 30, 1272-1280 (2003).
8. K. D. Nakonechny, B. G. Fallone, and S. Rathee, "Novel methods of measuring single scan dose profiles and cumulative dose in CT," Med. Phys. 32, 98-109 (2005).
9. S. Mori, M. Endo, K. Nishizawa, T. Tsunoo, T. Aoyama, H. Fujiwara, and K. Murase, "Enlarged logitudinal dose profiles in cone-beam CT and the need for modified dosimetry," Med. Phys. 32, 1061-1969 (2005).
10. P. C. Shrimpton and D. G. Jones, "Normalized organ doses for x-ray computed-tomography calculated using Monte Carlo techniques and a mathematical anthropomorphic phantom," Radiat. Prot. Dosim. 49, 241-243 (1993).
11. G. Stamm and H. D. Nagel, "CT-EXPO-a novel program for dose evaluation in CT," Fortschr. Geb. Rontgenstr. Nuklearmed. 174, 1570-1576 (2002).
12. J. T. Jansen, J. Geleijns, D. Zweers, F. W. Schultz, and J. Zoetelief, "Calculation of computed tomography dose index to effective dose conversion factors based on measurement of the dose profile along the fan shaped beam," Br. J. Radiol. 69, 33-41 (1996).
13. J. Geleijns, J. G. Van Unnik, J. Zoetelief, D. Zweers, and J. J. Broerse, "Comparison of two methods for assessing patient dose from computed tomography," Br. J. Radiol. 67, 360-365 (1994).
14. 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, 1148-1153 (2003).
15. G. Brix, U. Lechel, R. Veit, R. Truckenbrodt, G. Stamm, E. M. Coppenrath, J. Griebel, and H. D. Nagel, "Assessment of a theoretical formalism for dose estimation in CT: an anthropomorphic phantom study," Eur. Radiol. 14, 1275-1284 (2004).
16. M. K. Kalra, M. M. Maher, T. L. Toth, B. Schmidt, B. L. Westerman, H. T. Morgan, and S. Saini, "Techniques and applications of automatic tube current modulation for CT," Radiology 233, 649-657 (2004).
17. A. M. Groves, K. E. Owen, H. M. Courtney, S. J. Yates, K. E. Goldstone, G. M. Blake, and A. K. Dixon, "16-detector multislice CT: dosimetry estimation by TLD measurement compared with Monte Carlo simulation," Br. J. Radiol. 77, 662-665 (2004).
18. M. W. Bower and D. E. Hintenlang, "The characterization of a commercial MOSFET dosimeter system for use in diagnostic x ray," Health Phys. 75, 197-204 (1998).
19. J. N. Roshau and D. E. Hintenlang, "Characterization of the angular response of an 'isotropic' MOSFET dosimeter," Health Phys. 84, 376-379 (2003).
20. D. J. Peet and M. D. Pryor, "Evaluation of a MOSFET radiation sensor for the measurement of entrance surface dose in diagnostic radiology," Br. J. Radiol. 72, 562-568 (1999).
21. D. Gubatova, V. Varchenya, and A. Krastinya, "Tissue-equivalent phantoms in radiological protection," Kernenergie 32, 10-13 (1989).
22. V. Varchenya, D. Gubatova, V. Sidorin, and S. Kalnitsky, "Children's heterogeneous phantoms and their application in rontgenology," Radiat. Prot. Dosim. 49, 77-78 (1993).
23. S. W. Alderson, L. H. Lanzl, M. Rollins, and J. Spira, "An instrumented phantom system for analog computation of treatment plans," Am. J. Roentgenol., Radium Ther. Nucl. Med. 87, 185-195 (1962).
24. P. C. Shrimpton, B. F. Wall, and E. S. Fisher, "The tissue-equivalence of the Alderson Rando anthropomorphic phantom for x-rays of diagnostic qualities," Phys. Med. Biol. 26, 133-139 (1981).
25. ICRP, 2005 Recommendations of the International Commission on Radiological Protection (Draft for Consultation, 2005).
26. D. J. Brenner, C. D. Elliston, E. J. Hall, and W. E. Berdon, "Estimated risks of radiation-induced fatal cancer from pediatric CT," AJR, Am. J. Roentgenol. 176, 289-296 (2001).