Shielding Artificially Increases the Attenuation of Water. Study of CT Gradient Attenuation Induced by Shielding (CT GAINS).

Academic Radiology

Volumn 20, Issue 2, 2013, Pages 231-237

  Goldin, Dmitry ^a   Emerson, Scott ^a   Farah, Michael C ^a   Sokhandon, Farnoosh ^a   Nandalur, Kiran R ^a   Kumar, Shawn ^b   Mezwa, Duane G ^a  

^a WILLIAM BEAUMONT HOSPITAL   (United States)

^b WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Attenuation; Bismuth; Computed tomography; Shielding; Shields; Water

Indexed keywords

BISMUTH; WATER;

ARTICLE; ATTENUATION; CLINICAL PROTOCOL; COMPUTER ASSISTED TOMOGRAPHY; HOUNSFIELD UNIT; PREDICTION; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; RADIATION MEASUREMENT; RADIATION PROTECTION; RADIATION SHIELD; RADIOLOGY PHANTOM;

ARTIFACTS; BISMUTH; HUMANS; PHANTOMS, IMAGING; RADIATION DOSAGE; RADIATION PROTECTION; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED; WATER;

EID: 84873524554     PISSN: 10766332     EISSN: 18784046     Source Type: Journal    
DOI: 10.1016/j.acra.2012.07.016     Document Type: Article

References (18)

1. Antypas E.J., Sokhandon F., Farah M., et al. A Comprehensive approach to CT radiation dose reduction: one institution's experience. Am J Roentgenol 2011, 197:935-940.
2. Brenner D.J., Hall E.J. Computed tomography-an increasing source of radiation exposure. N Engl J Med 2007, 357:2277-2284.
3. Frush D.P., Applegate K. Computed tomography and radiation: understanding the issues. J Am Coll Radiol 2004, 1:113-119.
4. Catuzzo P., Aimonetto S., Fanelli G., et al. Dose reduction in multislice CT by means of bismuth shields: results of in vivo measurements and computed evaluation. La Radiol Med 2010, 115:152-169.
5. Mukundan S., Wang P.I., Frush D.P., et al. MOSFET dosimetry for radiation dose assessment of bismuth shielding of the eye in children. Am J Roentgenol 2007, 188:1648-1650.
6. Lee K., Lee W., Lee J., et al. Dose reduction and image quality assessment in MDCT using AEC (D-DOM & Z-DOM) and in-plane bismuth shielding. Radiat Protection Dosim 2010, 141:162-167.
7. Fricke B.L., Donnelly L.F., Frush D.P., et al. In-Plane Bismuth Breast Shields for Pediatric CT: Effects on Radiation Dose and Image Quality Using Experimental and Clinical Data. American Journal of Roentgenology 2003, 180:407-411.
8. Yilmaz M.H., Albayram S., Yaşar D., et al. Female breast radiation exposure during thorax multidetector computed tomography and the effectiveness of bismuth breast shield to reduce breast radiation dose. J Computer Assisted Tomogr 2007, 31:138-142.
9. Yilmaz M.H., Yaşar D., Albayram S., et al. Coronary calcium scoring with MDCT: the radiation dose to the breast and the effectiveness of bismuth breast shield. Eur J Radiol 2007, 61(1):139-143.
10. Colombo P., Pedroli G., Nicoloso M., et al. Evaluation of the efficacy of a bismuth shield during CT examinations. Radiol Med (Torino) 2004, 108:560-568.
11. Vollmar S.V., Kalender W.A. Reduction of dose to the female breast in thoracic CT: a comparison of standard-protocol, bismuth-shielded, partial and tube-current-modulated CT examinations. Eur Soc Radiol 2008, 18:1674-1682.
12. Kalra M.K., Dang P., Singh S., et al. In-plane shielding for CT: effect of off-centering, automatic exposure control and shield-to-surface distance. Korean J Radiol 2009, 10:156.
13. Geleijns J., Salvadó Artells M., Veldkamp W.J.H., et al. Quantitative assessment of selective in-plane shielding of tissues in computed tomography through evaluation of absorbed dose and image quality. Eur Radiol 2006, 16:2334-2340.
14. Lee Y.H., Park E.T., Cho P.K., et al. Comparative analysis of radiation dose and image quality between thyroid shielding and unshielding during CT examination of the neck. Am J Roentgenol 2011, 196:611-615.
15. Cobelli R., Zompatori M., De Luca G., et al. Clinical usefulness of computer tomography study without contrast injection in the evaluation of acute pulmonary embolism. J Comput Assist Tomogr 2005, 29:6-12.
16. New P.F., Aronow S. Attenuation measurements of whole blood and blood fractions in computed tomography. Radiology 1976, 121:635-640.
17. Wittram C., Maher M.M., Halpern E.F., et al. Attenuation of acute and chronic pulmonary emboli. Radiology 2005, 235:1050-1054.
18. Leswick D.A., Hunt M.M., Webster S.T., et al. Thyroid shields versus z-axis automatic tube current modulation for dose reduction at neck CT. Radiology 2008, 249:572-580.