Abstract
This chapter will cover the GE perspective on controlling CT dose through system design features in both hardware and software. We will show how GE scanners have been designed to optimize the dose delivered while achieving the image quality required for the clinical task.
Keywords
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
ASiR reconstruction sharpens images, slices abdominal CT dose, auntminnie.com. Accessed 21 May 2009
Budovec J et al (2008) Iterative reconstruction algorithm for multi detector computed tomography decreases image noise and improves image quality. In: Proceedings of SCBT-MR conference, 2 April 2008
Estimated radiation dose of coronary CT angiography using adaptive statistical iterative reconstruction (ERASIR 1) study, diagnosticimaging.com. Accessed 2 December 2009
GE Healthcare CT Publication (2007) Color-coded CT protocols help reduce dose for pediatrics. ©2007 General Electric Company
GE Healthcare System Documentation (2011) Discovery™ CT750 HD technical reference manual, ©2011 General Electric Company
GE Healthcare CT publication (2011) Dose check quick guide, ©2011 General Electric Company
Jacobson DR, Foley WD, Metz S, Peterswen AL (1996) Variable milliampere CT: effect on noise and low contrast detectability. Radiology 326:210
Kopka L, Funke M (1995) Automatically adapted CT tube current: dose reduction and image quality in phantom and patient studies. Radiology 197:292
Singh S et al (2009) Noise and attenuation characteristics of ultra low-dose abdominal CT reconstructed with model-based iterative reconstruction: a prospective pilot study. In: Proceedings of the RSNA meeting, 3 December 2009
Thibault J-B (2010) GE Healthcare white paper, Veo™ CT model-based iterative reconstruction, ©2010 General Electric Company
Toth T, Ge Z, Daley M (2006) The influence of bowtie filter selection, patient size and patient centering on CT dose and image quality. In: Poster SU-FF-I42, 2006AAPM conference (MedPhy, vol 33, No.6)
ASiR™ Sources
Singh S, Kalra MK, Gilman MD, Hsieh J, Pien HH, Digumarthy SR, Shepard JO (2011) Adaptive statistical iterative reconstruction technique for radiation dose reduction in chest CT: a pilot study. Radiology 259:566–573
Singh S, Kalra MK, Hsieh J, Licato PE, Do S, Pien HH, Blake MA (2010) Comparison of adaptive statistical iterative and filtered back projection reconstruction techniques. Radiology 257:373–383
Prakash P, Kalra MK, Ackman JB, Digumarthy SR, Hsieh J, Do S, Shepard JA, Gilman MD (2010a) Diffuse lung disease: CT of the chest with adaptive statistical iterative reconstruction technique. Radiology 256(1):261–269
Leipsic J, Labounty TM, Heilbron B, Min JK, Mancini GB, Lin FY, Taylor C, Dunning A, Earls JP (2010a) Adaptive statistical iterative reconstruction: assessment of image noise and image quality in coronary CT angiography. Am J Roentgenol 195(3):649–654
Sagara Y, Hara AK, Pavlicek W, Silva AC, Paden RG, Wu Q (2010) Abdominal CT: comparison of low-dose CT with adaptive statistical iterative reconstruction and routine-dose CT with filtered back projection in 53 patients. Am J Roentgenol 195(3):713–719
Prakash P, Kalra MK, Kambadakone AK, Pien H, Hsieh J, Blake MA, Sahani DV (2010b) Reducing abdominal CT radiation dose with adaptive statistical iterative reconstruction technique. Invest Radiol 45(4):202–210
Leipsic J, Labounty TM, Heilbron B, Min JK, Mancini GB, Lin FY, Taylor C, Dunning A, Earls JP (2010b) Estimated radiation dose reduction using adaptive statistical iterative reconstruction in coronary CT angiography: the ERASIR study. AJR Am J Roentgenol 195(3):655–660
Veo™ Sources
Budovec J, Foley D et al (2008) Iterative reconstruction algorithm for multi detector computed tomography decreases image noise and improves image quality. In: Proceedings of SCBT-MR conference, 2 April 2008
Singh S, Kalra MK, Licato P, Thibault JB (2009) Noise and attenuation characteristics of ultra-low dose abdominal CT reconstructed with model based iterative reconstruction: a prospective pilot studym, RSNA 09
Kinahan P (2010) Impact of model-based iterative reconstruction on image quality and radiation dose. ISCT, San Francisco, CA, 18 May 2010
Nelson RC (2010) The trade-off between adaptive statistical iterative reconstruction (ASIR) and model based iterative reconstruction (MBIR). ISCT, San Francisco, 18 May
Nelson RC (2011) Use of iterative reconstruction for low radiation dose imaging in clinical practice. ISCT, San Francisco, 13–16 June
Shuman W (2011) Model-based iterative reconstruction (MBIR), ASiR and FBP of the liver: impact on image noise, lesion detection, and image quality. ISCT, San Francisco, 13–16 June
Yadava G, Kulkarni S, Colon ZR, Thibault J (2010) Dose reduction and image quality benefits using model based iterative reconstruction (MBIR) technique for computed tomography. Med Phys 37:3372
Fleischmann D, Boas FE (2011) Computed tomography—old ideas and new technology. Eur Radiol 21(3):510–517. doi:10.1007/s00330-011-2056-z
General Sources
Toth TL, Bromberg B, Pan T-S, Rabe J, Steven JW, Li J, Seidenschnur GE (2000) A dose reduction X-ray beam positioning system for high-speed multislice CT scanners. Med Phys 27(12):2659–2668
Kalra MK, Maher MM, Toth TL, Schmidt B, Westerman BL, Morgan HT, Saini S (2004) Techniques and applications of automatic tube current modulation for CT. Radiology 233(3):649–657
Jiang H, Londt J, Vass M, Li J, Tang X, Okerlund D (2006) Step-and-shoot data acquisition and reconstruction for cardiac X-ray computed tomography. Med Phys 33(11):4236–4248
James PE, Berman EL, Urban BA, Curry CA, Lane JL, Jennings RS, McCulloch CC, Hsieh J, Londt JH (2008) Prospectively gated transverse coronary CT angiography versus retrospectively gated helical technique: improved image quality and reduced radiation dose. Radiology 246(3):742–753
Husmann L, Valenta I, Gaemperli O, Adda O, Treyer V, Christophe AW, Veit-Haibach P, Tatsugami F, von Schulthess GK, Kaufmann PA (2008) Feasibility of low-dose coronary CT angiography: first experience with prospective ECG-gating. Eur Heart J 29(2):191–197
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2012 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
Nilsen, R.A. (2012). Practical Approaches to Dose Reduction: GE Perspective. In: Tack, D., Kalra, M., Gevenois, P. (eds) Radiation Dose from Multidetector CT. Medical Radiology(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/174_2011_486
Download citation
DOI: https://doi.org/10.1007/174_2011_486
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-24534-3
Online ISBN: 978-3-642-24535-0
eBook Packages: MedicineMedicine (R0)