:Analysis of Technical Parameters Affecting the Glandular Tissue Dose
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概要
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The effects of technical parameters, such as screen-film combinations, antiscatter grids, processing conditions and X-ray beam qualities, on the average glandular tissue dose of radiation were analyzed under two exposure conditions : <BR>1) The standard radiographic condition for an RMI 156 phantom at each facility (Standard Radiographic Condition). <BR>2) The radiographic condition needed to obtain a radiographic density of 1.20 to 1.40 with an RMI 156 phantom (Canonical Radiographic Condition). <BR>The analysis included 208 dose measurements at 104 facilities. The results showed that the average glandular tissue dose depends strongly on the grid types and screen-film combinations used. There were also significant differences in radiographic density between the Standard Radiographic Condition and the Canonical Radiographic Condition. This analysis of the technical parameters affecting the glandular tissue dose will be useful in establishing a standardized mammographic breast cancer screening system.
- 日本乳癌検診学会の論文
日本乳癌検診学会 | 論文
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