Radiation dose reduction in diagnostic x-ray procedures

Regano L.J. and Sutton R.A. (1992) Radiation dose reduction in diagnostic x-ray procedures. Physics in Medicine and Biology, 37 9: 1773-1788. doi:10.1088/0031-9155/37/9/004


Author Regano L.J.
Sutton R.A.
Title Radiation dose reduction in diagnostic x-ray procedures
Journal name Physics in Medicine and Biology   Check publisher's open access policy
ISSN 0031-9155
Publication date 1992-01-01
Sub-type Article (original research)
DOI 10.1088/0031-9155/37/9/004
Volume 37
Issue 9
Start page 1773
End page 1788
Total pages 16
Language eng
Subject 3614 Radiological and Ultrasound Technology
2741 Radiology Nuclear Medicine and imaging
3101 Physics and Astronomy (miscellaneous)
2204 Religion and Religious Studies
Abstract The performance of K-edge filters to modify the X-ray spectrum is investigated experimentally in a variety of clinical situations involving bone/soft tissue imaging, with the aim of improving the optimization between image contrast and patient exposure. The results show that simultaneous improvement of contrast and reduction of exposure is possible for a wide range of patient sizes. For conditions of fixed contrast skin exposure reductions of better than 50% and integrated dose reductions of up to 30% have been achieved with tolerable increase in tube load. Rare earth salt solutions were used as an inexpensive alternative source of K-edge filtration, and their performance was found to be in no way inferior to that of expensive metal foils.
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 13 Sep 2016, 12:05:22 EST by System User