کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1876756 1042031 2009 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Scatter dose calculation for anti-scatter linear grids in mammography
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
پیش نمایش صفحه اول مقاله
Scatter dose calculation for anti-scatter linear grids in mammography
چکیده انگلیسی

Monte Carlo simulations were used to optimize the geometry of a mammography anti-scatter linear grid to achieve minimum scatter-to-primary ratio (SPR) for different X-ray tube voltages. A single optimum design of the grid with 0.9 mm septa height, 12 μm septa thickness and 100 μm interspace thickness was found for breast phantom thicknesses between 30 and 80 mm. The optimal grid has 0.153–0.330 scatter-to-primary ratio, a Bucky factor (BF) less than 2.5 and a contrast improvement factor (CIF) of 1.3.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 67, Issue 10, October 2009, Pages 1837–1841
نویسندگان
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