Determination of multislice computed tomography dose index (CTDI) using optically stimulated luminescence technology

Medical Physics

Volumn 37, Issue 7, 2010, Pages 3560-3568

  Ruan, Chun ^a   Yukihara, Eduardo G ^b   Clouse, William J ^a   Gasparian, Patricia B R ^b   Ahmad, Salahuddin ^a  

^a UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE   (United States)

^b OKLAHOMA STATE UNIVERSITY   (United States)

Author keywords

computed tomography (CT); computed tomography dose index (CTDI); dose profile; optically stimulated luminescence (OSL); radiation dose

Indexed keywords

DOSIMETRY; IONIZATION; IONIZATION CHAMBERS; LUMINESCENCE; MONTE CARLO METHODS; PHANTOMS; QUALITY ASSURANCE; X RAY DETECTORS; X RAYS;

COLLIMATED BEAMS; CONVERSION FACTOR; CORRECTION FACTORS; DOSE PROFILE; DOSE RESPONSE; MULTISLICE COMPUTED TOMOGRAPHY; OPTICALLY STIMULATED LUMINESCENCE; PENCIL IONIZATION CHAMBERS;

COMPUTERIZED TOMOGRAPHY;

COMPUTER ASSISTED TOMOGRAPHY; DEVICES; FEASIBILITY STUDY; HUMAN; IMAGE QUALITY; LIGHT RELATED PHENOMENA; LUMINESCENCE; MONTE CARLO METHOD; PROCEDURES; RADIATION DOSE; RADIOMETRY; REPRODUCIBILITY;

FEASIBILITY STUDIES; HUMANS; LUMINESCENT MEASUREMENTS; MONTE CARLO METHOD; OPTICAL PROCESSES; PHANTOMS, IMAGING; RADIATION DOSAGE; RADIOMETRY; REPRODUCIBILITY OF RESULTS; TOMOGRAPHY, X-RAY COMPUTED;

EID: 77954707608     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3455285     Document Type: Article

References (23)

1. P. Dawson, " Patient dose in multislice CT: Why is it increasing and does it matter.," Br. J. Radiol. 0007-1285 77, S10-S13 (2004). 10.1259/bjr/23162044 (Pubitemid 40057811)
2. International Commission on Radiological Protection, " Managing patient dose in computed tomography, Publication 87.," Annals of the ICRP 0146-6453 30, 11-15 (2000).
3. National Council on Radiation Protection and Measurements, " Ionizing radiation exposure of the population of the United States.," NCRP Report No. 160, 2009.
4. AAPM Task Group 23, " The measurement, reporting, and management of radiation dose in CT.," AAPM Report No. 96, 2008.
5. J. M. Boone, " The trouble with CTDI100.," Med. Phys. 0094-2405 34, 1364-1371 (2007). 10.1118/1.2713240 (Pubitemid 46555766)
6. R. L. Dixon, " A new look at CT dose measurement: Beyond CTDI.," Med. Phys. 0094-2405 30, 1272-1280 (2003). 10.1118/1.1576952 (Pubitemid 36735994)
7. R. L. Dixon, " Restructuring CT dosimetry-A realistic strategy for the future requiem for the pencil chamber.," Med. Phys. 0094-2405 33, 3973-3976 (2006). 10.1118/1.2336504 (Pubitemid 44505119)
8. S. Mori, M. Endo, K. Nishizawa, T. Tsunoo, T. Aoyama, H. Fujiwara, and K. Murase, " Enlarged longitudinal dose profiles in cone-beam CT and the need for modified dosimetry.," Med. Phys. 0094-2405 32, 1061-1069 (2005). 10.1118/1.1877852 (Pubitemid 40586792)
9. R. L. Dixon, M. T. Munley, and E. Bayram, " An improved analytical model for CT dose simulation with a new look at the theory of CT dose.," Med. Phys. 0094-2405 32, 3712-3728 (2005). 10.1118/1.2122507
10. R. L. Dixon and A. C. Ballard, " Experimental validation of a versatile system of CT dosimetry using a conventional ion chamber: Beyond CTDI100.," Med. Phys. 0094-2405 34, 3399-3413 (2007). 10.1118/1.2757084 (Pubitemid 47175805)
11. S. W. McKeever and M. Moscovitch, " On the advantages and disadvantages of optically stimulated luminescence dosimetry and thermoluminescence dosimetry.," Radiat. Prot. Dosim. 0144-8420 104, 263-270 (2003).
12. A. Viamonte, L. A. da Rosa, L. A. Buckley, A. Cherpak, and J. E. Cygler, " Radiotherapy dosimetry using a commercial OSL system.," Med. Phys. 0094-2405 35, 1261-1266 (2008). 10.1118/1.2841940 (Pubitemid 351457491)
13. 3:C dosimeters.," Phys. Med. Biol. 0031-9155 50, 5619-5628 (2005). 10.1088/0031-9155/50/23/014 (Pubitemid 41754358)
14. 3:C optically stimulated luminescence (OSL) dosimetrs for passive dosimetry of high-energy photon and electron beams in radiotherapy.," Med. Phys. 0094-2405 35, 260-269 (2008). 10.1118/1.2816106
15. E. G. Yukihara, C. Ruan, P. B. R. Gasparian, W. J. Clouse, C. Kalavagunta, and S. Ahmad, " An optically stimulated luminescence system to measure dose profiles in x-ray computed tomography.," Phys. Med. Biol. 0031-9155 54, 6337-6352 (2009). 10.1088/0031-9155/54/20/020
16. E. G. Yukihara and S. W. McKeever, " Optically stimulated luminescence (OSL) dosimetry in medicine.," Phys. Med. Biol. 0031-9155 53, R351-R379 (2008). 10.1088/0031-9155/53/20/R01
17. P. B. R. Gasparian, " Methodological developments for application of optically stimulated luminescence (OSL) in medical dosimetry.," M.S. thesis, Oklahoma State University, 2009.
18. K. Perisinakis, J. Damilakis, A. Tzedakis, A. Papadakis, N. Theocharopoulos, and N. Gourtsoyiannis, " Determination of the weighted CT dose index in modern multi-detector CT scanners.," Phys. Med. Biol. 0031-9155 52, 6485-6495 (2007). 10.1088/0031-9155/52/21/010 (Pubitemid 350093176)
19. J. P. Felmlee, J. E. Gray, M. L. Leetzow, and J. C. Price, " Estimated fetal radiation dose from multislice CT studies.," AJR, Am. J. Roentgenol. 0361-803X 154, 185-190 (1990).
20. P. A. Jursinic, " Characterization of optically stimulated luminescent dosimeters, OSLDs, for clinical dosimetric measurements.," Med. Phys. 0094-2405 34, 4594-4604 (2007). 10.1118/1.2804555 (Pubitemid 350199438)
21. J. Hansson, S. Eriksson, A. Thilander-Klang, and M. Bth, " Comparison of three methods for determining CT dose profile: Presenting the tritium method.," Radiat. Prot. Dosim. 0144-8420 139, 434-438 (2010). 10.1093/rpd/ncq078
22. J. Geleijns, M. Salvadó Artells, P. W. de Bruin, R. Matter, Y. Muramatsu, and M. F. McNitt-Gray, " Computed tomography dose assessment for a 160 mm wide, 320 detector row, cone beam CT scanner.," Phys. Med. Biol. 0031-9155 54, 3141-3159 (2009). 10.1088/0031-9155/54/10/012
23. J. M. Boone, " Dose spread functions in computed tomography: A Monte Carlo study.," Med. Phys. 0094-2405 36, 4547-4554 (2009). 10.1118/1.3223634