Usefulness of a Method for Changing Tube Current during Helical Scanning in Multislice CT

Radiation Medicine - Medical Imaging and Radiation Oncology

Volumn 21, Issue 5, 2003, Pages 193-204

  Kojima, Miho ^a   Itoh, Shigeki ^b   Ikeda, Mitsuru ^b   Satake, Hiroko ^b   Koyama, Shuji ^b   Aoyama, Takahiko ^b   Watanabe, Naofumi ^b   Ishigaki, Takeo ^a  

^a NAGOYA UNIVERSITY SCHOOL OF MEDICINE   (Japan)

^b NONE

Author keywords

Computed tomography, helical; Computed tomography, image quality; Computed tomography, patient dose; Computed tomography, technical aspects

Indexed keywords

WATER;

ABDOMEN; ADULT; AGED; ARTICLE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DISPERSION; ELECTRIC CURRENT; FEMALE; HUMAN; IMAGING; MAJOR CLINICAL STUDY; MALE; METHODOLOGY; NOISE; RANDOMIZED CONTROLLED TRIAL; ROTATION; SPIRAL COMPUTER ASSISTED TOMOGRAPHY; STANDARD; THICKNESS; THORAX; TUBE;

ADULT; AGED; AGED, 80 AND OVER; FEMALE; HUMANS; MALE; MIDDLE AGED; RADIATION DOSAGE; RADIOGRAPHY, ABDOMINAL; RADIOGRAPHY, THORACIC; TOMOGRAPHY SCANNERS, X-RAY COMPUTED; TOMOGRAPHY, SPIRAL COMPUTED;

EID: 0344441737     PISSN: 02882043     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (17)

1. Shrimpton PC, Wall BF, Hart D. Diagnostic medical exposures in the U.K. Appl Radial Isot, 50: 261-269, 1999.
2. Nickoloff EL, Alderson PO. Radiation exposure to patients from CT: reality, public perception, and policy. AJR Am J Roentgenol, 177: 285-291, 2001.
3. Nishitani H, Yasutomo M, Tominaga M, Fukui H, Yagi H. Radiation exposure in CT. Nippon Igaku Hoshasen Gakkai Zasshi, 62: 347-351, 2002. (in Jpse.)
4. Diederich S, Lenzen H, Windmann R, et al. Pulmonary nodules: experimental and clinical studies at low-dose CT. Radiology, 213: 289-298, 1999.
5. Itoh S, Ikeda M, Arahata S, et al. Lung cancer screening: minimun tube current required for helical CT. Radiology, 215: 175-183, 2000.
6. Itoh S, Ikeda M, Mori Y, et al. Feasibility of a method for changing the tube current during low-dose helical scanning of the lung. Radiology, 224: 905-912, 2002.
7. Aoyama T, Koyama S, Maekoshi H. Small scintillation and PIN-photodiode dosimeters for measuring the dose delivered by transmission X-ray computed tomography. KEK Proceedings, 99: 1-8, 1999.
8. 41st World Medical Assembly Declaration of Helsinki Recommendations guiding physicians in biomedical research involving human subjects. Bull Pan Am Health Organ, 24: 606-609, 1990.
9. Stark G, Lonn L, Cederblad A, Alpsten M, Sjonstrom L, Ekholm S. Radiation dose reduction in CT: application to tissue area and volume determination. Radiology, 209: 397-403, 1998.
10. 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, 164: 603-607, 1995.
11. Tabachcik BG, Fidell LS. Computed-assisted Research Design and Analysis (Allyn & Bacon, Massachusetts), 2001.
12. Kopka L, Funke M, Breiter N, Hermann KP, Vosshenrich R, Grabbe E. Anatomisch adaptierte Variation des Rohrenstroms bei der CT. Untersuchungen zur Strahlendosisreduktion und Bildqualitat. Fortschr Rontgenstr, 163: 383-387, 1995.
13. Kalender WA, Wolf H, Suess C, Gies M, Greess H, Bautz WA. Dose reduction in CT by on-line tube current control: principles and validation on phantoms and cadavers. Eur Radiol, 9: 323-328, 1999.
14. Greess H, Wolf H, Baum U, et al. 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.
15. Greess H, Baum U, Wolf H, Suess C, Kalender WA, Bautz WA. Dose reduction in subsecond multi-slice spiral CT examinations of children by online tube current modulation. Radiology, 221: 246, 2001.
16. Haaga JR, Miraldi F, MacIntyre W, LiPuma JP, Bryan PJ, Wiesen E. The effect of mAs variation upon computed tomography image quality as evaluated by in vivo and in vitro studies. Radiology, 138: 449-454, 1981.
17. Greess H, Wolf H, Suess C, Lutze J, Kalender WA, Bautz WA. Automatic exposure control to reduce dose in subsecond multislice spiral-CT: phantom measurements and clinical results. Radiology, 225: 593, 2002.