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Determination of equivalent breast phantoms for different age groups of Taiwanese women: An experimental approach
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10.1118/1.3591989
/content/aapm/journal/medphys/38/7/10.1118/1.3591989
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/7/10.1118/1.3591989

Figures

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FIG. 1.

Distribution of adjusted CBT values for Taiwanese women in this study.

Image of FIG. 2.
FIG. 2.

Variations in the CBT and the glandularity with CBT intervals in the age groups of 30–49 yr and 50–69 yr. The data points are the mean values for each bin, and the error bars show one standard deviation. The fitted functions of the equivalent PMMA thicknesses (TPMMA) are T PMMA = 0.6934× CBT + 1.1382 (R 2 = 0.9982) and T PMMA = 0.6782 × CBT + 1.0251 (R 2 = 0.9992) for the age groups 30–49 yr and 50–69 yr, respectively. The fitted functions of the glandularities (G) are G = 0.8724 × CBT3 – 11.026× CBT2 + 25.291 × CBT + 86.949 (R 2 = 0.9953) for the age group of 30 – 49 yr and G = 0.5871 × CBT3 – 5.7544 × CBT2 – 4.1062 × CBT + 123.58 (R 2 = 0.9898) for the age group of 50–69 yr.

Tables

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TABLE I.

Results of validation tests for the CBT correction method and the glandularity assessment used in this study.

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TABLE II.

Distribution of the equivalent thicknesses of PMMA for breasts of Taiwanese women surveyed.

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TABLE III.

Comparison of equivalent PMMA thickness of standard breasts (50% glandularity with a 0.5-cm-thick adipose layer) from various studies.

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TABLE IV.

Equivalent thickness for PMMA slabs and breasts of Taiwanese women surveyed.

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TABLE V.

Equivalent CBT and glandularity of a 4.5-cm PMMA slab from various studies.

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TABLE VI.

Equivalence between thickness of PMMA slabs and different thicknesses of phantoms with 100% glandularity.

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/content/aapm/journal/medphys/38/7/10.1118/1.3591989
2011-06-22
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Determination of equivalent breast phantoms for different age groups of Taiwanese women: An experimental approach
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/7/10.1118/1.3591989
10.1118/1.3591989
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