Can noise reduction filters improve low-radiation-dose chest CT images? Pilot study

Radiology

Volumn 228, Issue 1, 2003, Pages 257-264

  Kalra, Mannudeep K ^a   Wittram, Conrad ^a   Maher, Michael M ^a   Sharma, Amita ^a   Avinash, Gopal B ^b   Karau, Kelly ^b   Toth, Thomas L ^b   Halpern, Elkan ^a   Saini, Sanjay ^a   Shepard, Jo Anne ^a  

^a MASSACHUSETTS GENERAL HOSPITAL   (United States)

^b GE HEALTHCARE   (United States)

Author keywords

Computed tomography (CT), radiation exposure; Filters, radiographic; Thorax, CT

Indexed keywords

ADULT; AGED; ALGORITHM; ARTICLE; CASE REPORT; COMPUTER ASSISTED TOMOGRAPHY; DESCENDING AORTA; FEMALE; FILTER; HUMAN; IMAGE ANALYSIS; IMAGE QUALITY; MALE; NOISE REDUCTION; OBSERVER VARIATION; PRIORITY JOURNAL; QUALITATIVE ANALYSIS; QUANTITATIVE ANALYSIS; RADIATION DOSE; STATISTICAL ANALYSIS; THORAX RADIOGRAPHY;

AGED; ARTIFACTS; FEMALE; HUMANS; MALE; PILOT PROJECTS; RADIATION DOSAGE; RADIOGRAPHY, THORACIC; TOMOGRAPHY, X-RAY COMPUTED;

EID: 0037600566     PISSN: 00338419     EISSN: None     Source Type: Journal    
DOI: 10.1148/radiol.2281020606     Document Type: Article

References (32)

1. Balfe DM, Ehman RL. The society of computed body tomography and magnetic resonance imaging: research in CT and MR imaging - 2000 and beyond. Radiology 1998; 207:561-564.
2. Nickoloff EL, Alderson PO. Radiation exposures to patients from CT: reality, public perception, and policy. AJR Am J Roentgenol 2001; 177:285-287.
3. Brugmans MJ, Buijs WC, Geleijns J, Lembrechts J. Population exposure to diagnostic use of ionizing radiation in the Netherlands. Health Phys 2002; 82:500-509.
4. Crawley MT, Booth A, Wainwright A. A practical approach to the first iteration in the optimization of radiation dose and image quality in CT: estimates of the collective dose savings achieved. Br J Radiol 2001; 74:607-614.
5. Mettler FA, Wiest PW, Locken JA, Kelsey CA. CT scanning: patterns of use and dose. J Radiol Prot 2000; 20:353-359.
6. Ravenel JG, Scalzetti EM, Huda W, Garrisi W. Radiation exposure and image quality in chest CT examinations. AJR Am J Roentgenol 2001; 177:279-284.
7. Rutherford R, Pullan B, Isherwoord I. Measurement of effective atomic number and electron density using an EMI scanner. Neuroradiology 1976; 11:15-21.
8. Kalender WA, Klotz E, Kostaridou L. An algorithm for noise suppression in dual energy CT material density images. IEEE Trans Med Imaging 1988; 7:218-224.
9. Kido S, Ikezoe J, Naito H, et al. Clinical evaluation of pulmonary nodules with single-exposure dual-energy subtraction chest radiography with an iterative noise-reduction algorithm. Radiology 1995; 194:407-412.
10. Hinshaw DA, Dobbins JT. Recent progress in noise reduction and scatter correction in dual-energy imaging. Proc SPIE 1995; 2432:134-142.
11. Ergun DL, Peppler WW, Dobbins JT, et al. Dual-energy computed radiography: improvements in processing. Proc SPIE 1994; 2167:663-671.
12. Svanholm H, Starklint H, Gundersen HJG, Fabricius J, Barlebo H, Olsen S. Reproducibility of histomorphologic diagnoses with special reference to the kappa statistic. APMIS 1989; 97:689-698.
13. Gray JE. Safety (risk) of diagnostic radiology exposures. In: Janower ML, Linton OW, eds. Radiation risk: a primer. Reston, Va: American College of Radiology, 1996; 15-17.
14. Brenner D, Elliston C, Hall E, Berdon W. Estimated risks of radiation-induced fatal cancer from pediatric CT. AJR Am J Roentgenol 2001; 76:289-296.
15. Lautin EM. CT as a cause of cancer: what's old is new again (letter). AJR Am J Roentgenol 2001; 177:717.
16. Rehani MM, Bongartz G, Kalender W, et al. Managing x-ray dose in computed tomography: ICRP Special Task Force Report. Ann ICRP 2000; 30:7-45.
17. McCollough CH, Zink FE. Performance evaluation of a multi-slice CT system. Med Phys 1999; 26:2223-2230.
18. Paterson A, Frush DP, Donnelly LF. Helical CT of the body: are settings adjusted for pediatric patients? AJR Am J Roentgenol 2001; 176:297-301.
19. Rehani MM, Berry M. Radiation doses in computed tomography: the increasing doses of radiation need to be controlled. BMJ 2000; 320:593-594.
20. Hara AK, Johnson CD, Reed JE, et al. Reducing data size and radiation dose for CT colonography. AJR Am J Roentgenol 1997; 168:1181-1184.
21. Cohnen M, Fischer H, Hamacher J, Lins E, Kotter R, Modder U. CT of the head by use of reduced current and kilovoltage: relationship between image quality and dose reduction. AJNR Am J Neuroradiol 2000; 21:1654-1660.
22. Diederich S, Lenzen H, Windmann R, et al. Pulmonary nodules: experimental and clinical studies at low-dose CT. Radiology 1999; 213:289-298.
23. Takahashi M, Maguire WM, Ashtari M, et al. Low-dose spiral computed tomography of the thorax: comparison with the standard-dose technique. Invest Radiol 1998; 33:68-73.
24. Mayo JR, Hartman TE, Lee KS, Primack SL, Vedal S, Muller NL. CT of the chest: minimal tube current required for good image quality with the least radiation dose. AJR Am J Roentgenol 1995; 164:603-607.
25. Starck G, Lonn L, Cederblad A, Forssell-Aronsson E, Sjostrom L, Alpsten M. A method to obtain the same levels of CT image noise for patients of various sizes, to minimize radiation dose. Br J Radiol 2002; 75:140-150.
26. Toth TL, Bromberg NB, Pan TS, et al. A dose reduction x-ray beam positioning system for high-speed multislice CT scanners. Med Phys 2000; 27:2659-2668.
27. Aviles Lucas P, Castellano IA, Dance DR, Vano Carruana E. Analysis of surface dose variation in CT procedures. Br J Radiol 2001; 74:1128-1136.
28. Fuchs TO, Kachelriess M, Kalender WA. System performance of multislice spiral computed tomography. IEEE Eng Med Biol Mag 2000; 19:63-70.
29. Kachelriess M, Watzke O, Kalender WA. Generalized multi-dimensional adaptive filtering for conventional and spiral single-slice, multi-slice, and cone-beam CT. Med Phys 2001; 28:475-490.
30. Harpen MD. A computer simulation of wavelet noise reduction in computed tomography. Med Phys 1999; 26:1600-1606
31. Alvarez RE, Stonestrom JP. Optimal processing of computed tomography images using experimentally measured noise properties. J Comput Assist Tomogr 1979; 3:77-84.
32. Keselblener L, Shimoni Y, Akselrod S. Nonlinear filters applied on computerized axial tomography: theory and phantom images. Med Phys 1992;19:1057-1064.