Angular on-line tube current modulation in multidetector CT examinations of children and adults: The influence of different scanning parameters on dose reduction

Medical Physics

Volumn 34, Issue 7, 2007, Pages 2864-2874

  Papadakis, Antonios E ^a   Perisinakis, Kostas ^a   Damilakis, John ^a  

^a UNIVERSITY OF CRETE   (Greece)

Author keywords

MDCT; Patient dosimetry; Tube current modulation

Indexed keywords

E-LEARNING; MODULATION; PEDIATRICS; PHANTOMS;

ANTHROPOMORPHIC PHANTOMS; BEAM COLLIMATION; MDCT; MULTI DETECTOR COMPUTED TOMOGRAPHIES (MDCT); MULTIDETECTOR CT; SCANNING PARAMETERS; STANDARD PROTOCOLS; TUBE CURRENT MODULATIONS;

MULTIDETECTOR COMPUTED TOMOGRAPHY;

ABDOMEN; ADULT; ANTHROPOMETRY; ARTICLE; BODY SURFACE; HEAD; MODULATION; MULTIDETECTOR COMPUTED TOMOGRAPHY; NECK; NEWBORN; NOISE; ONLINE ANALYSIS; ONLINE SYSTEM; PELVIS; PHANTOM; PRESCHOOL CHILD; PRIORITY JOURNAL; RADIATION DOSE; RADIOLOGICAL PARAMETERS; SCHOOL; SHOULDER; SIMULATION; STANDARD; THORAX; VALIDATION PROCESS; CHILD; COMPUTER ASSISTED TOMOGRAPHY; HUMAN; IMAGING PHANTOM; MONTE CARLO METHOD;

ADULT; CHILD; HEAD; HUMANS; MONTE CARLO METHOD; PELVIS; PHANTOMS, IMAGING; RADIATION DOSAGE; TOMOGRAPHY, X-RAY COMPUTED;

EID: 34347385840     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2747048     Document Type: Article

References (28)

1. S. H. Golding and P. C. Shrimpton, " Radiation dose in CT: Are we meeting the challenge?, " Br. J. Radiol. 75, 1-4 (2002).
2. P. C. Shrimpton, D. G. Jones, M. C. Hillier, B. F. Wall, J. C. Le Heron, and K. Faulkner, " Survey of CT practice in the UK, Part 2: Dosimetric aspects., " NRPB R249, Chilton, NRPB, 1991.
3. D. Ware, W. Huda, P. Mergo, and A. Litwiller, " Radiation effective doses to patients undergoing abdominal CT examinations., " Radiology 210, 645-650 (1999).
4. M. Gies, W. A. Kalender, H. Wolf, and C. Suess, " Dose reduction in CT by anatomically adapted tube current modulation. I. Simulation studies., " Med. Phys. 26, 2235-2247 (1999).
5. W. A. Kalender, H. Wolf, and C. Suess, " Dose reduction in CT by anatomically adapted tube current modulation. II. Phantom measurements., " Med. Phys. 26, 2248-2253 (1999).
6. H. Greess, H. Wolf, U. Baum, W. A. Kalender, and W. Bautz, " Dosage reduction in computed tomography by anatomy-oriented attenuation-based tube-current modulation: the first clinical results., " Rofo Fortschr Geb Rontgenstr Neuen Bildgeb Verfahr 170, 246-250 (1999).
7. W. A. Kalender, H. Wolf, C. Suess, M. Gies, H. Greess, and W. A. Bautz, " Dose reduction in CT by on-line tube current control: principles and validation on phantoms and cadavers., " Eur. Radiol. 9, 323-328 (1999).
8. H. Greess, H. Wolf, U. Baum, M. Lell, M. Pirkl, W. A. Kalender, and W. A. Bautz, " Dose reduction in computed tomography by attenuation-based on-line modulation of tube current: evaluation of six anatomical regions., " Eur. Radiol. 10, 391-394 (2000).
9. W. Hundt W, F. Rust, A. Stabler, H. Wolff, C. Suess, and M. Reiser, " Dose reduction in multislice computed tomography., " J. Comput. Assist. Tomogr. 29, 140-147 (2005).
10. D. Tack, V. De Maertelaer, and P. A. Gevenois, " Dose reduction in multidetector CT using attenuation-based online tube current modulation., " AJR, Am. J. Roentgenol. 181, 331-334 (2003).
11. I. Mastora, M. Remy-Jardin, V. Delannoy, A. Duhamel, C. Scherf, C. Suess, and J. Remy, " 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, 116-124 (2004).
12. H. Greess, A. Nomayr, H. Wolf, U. Baum, M. Lell, B. Bowing, W. A. Kalender, and W. A. Bautz, " Dose reduction in CT examination of children by an attenuation-based on-line modulation of tube current (CARE Dose)., " Eur. Radiol. 12, 1571-1576 (2002).
13. H. Greess, J. Lutze, A. Nomayr, H. Wolf, T. Hothorn, W. Kalender, and W. A. Bautz, " Dose reduction in subsecond multislice spiral CT examination of children by on-line tube current modulation., " Eur. Radiol. 14, 995-999 (2004).
14. M. Mahesh, J. C. Scatarige, J. Cooper, and E. K. Fishman, " Dose and pitch relationship for a particular multislice CT scanner., " AJR, Am. J. Roentgenol. 177, 1273-1275 (2001).
15. P. M. Silverman, W. A. Kalender, and J. D. Hazle, " Common terminology for single and multislice helical CT., " AJR, Am. J. Roentgenol. 176, 1135-1136 (2001).
16. N. Theocharopoulos, K. Perisinakis, J. Damilakis, S. Karampekios, and N. Gourtsoyiannis, " Dosimetric characteristics of a 16-slice computed tomography scanner., " Eur. Radiol. 16, 575-585 (2006).
17. A. Tzedakis, J. Damilakis, K. Perisinakis, J. Stratakis, and N. Gourtsoyannis, " The effect of z -overscanning on patient effective dose from multidetector helical computed tomography examinations., " Med. Phys. 32, 1621-1628 (2005).
18. M. Das, A. H. Mahnken, G. Muhlenbruch, A. Stargardt, C. Weiss, D. A. Sennst, T. G. Flohr, R. W. Gunther, and J. E. Wildberger, " Individually adapted examination protocols for reduction of radiation exposure for 16-MDCT chest examinations., " AJR, Am. J. Roentgenol. 184, 1437-1443 (2005).
19. S. Popescu, D. Hentschel, K. Strauss, and H. Wolf, " Adaptive dose modulation during CT scanning., " US Patent No. 5,867,555 (1999).
20. G. Iball, D. Brettle, and A. Moore, " Assessment of tube current modulation in pelvic CT., " Br. J. Radiol. 79, 62-70 (2006).
21. H. Bittl, E. Neumeler, and M. Berger, " X-ray computed tomography apparatus with modulation of the x-ray power of the x-ray source., " US Patent No. 6,385,280 B1 (2002).
22. International Electrotechnical Commission, Medical electrical equipment-Part 2-44: Particular requirements for the safety of X-Ray equipment for computed tomography; IEC International standard 60601-2-44 Ed. 2 Amended, 2001.
23. D. Platten, N. Keat, M. Lewis, J. Barrett, and S. Edyvean, " Siemens Somatom sensation 16 CT scanner technical evaluation., " MHRA 04037, MHRA evaluation report 2004.
24. M. Kalra, M. Maher, T. Toth, B. Schmidt, B. Westerman, H. Morgan, and S. Saini, " Techniques and applications of automatic tube current modulation for CT., " Radiology 233, 649-657 (2004).
25. M. Kalra, M. Maher, R. Kamath, T. Horiuchi, T. Toth, E. Halpern, and S. Saini, " Sixteen-Detector row CT of abdomen and pelvis: Study for optimization of z -axis modulation technique performed in 153 patients., " Radiology 233, 241-249 (2004).
26. B. Westerman, " Radiation dose from Toshiba CT scanners., " Pediatr. Radiol. 32, 735-737 (2002).
27. M. Kalra, M. Maher, T. Toth, R. Kamath, E. Halpern, and S. Saini, " Comparison of z -axis automatic tube current modulation technique with fixed tube current CT scanning of abdomen and pelvis., " Radiology 232, 347-353 (2004).
28. T. H. Mulkens, P. Bellinck, M. Baeyaert, D. Ghysen, X. Van Dijck, E. Mussen, C. Venstermans, and J. L. Termote, " Use of an automatic exposure control mechanism for dose optimization in multi-detector row CT examinations: Clinical evaluation., " Radiology 237, 213-223 (2005).