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Study of suitability of new materials for use with physical breast phantoms

机译：研究新材料与物理乳房幻像配合使用的适用性

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Emerging x-ray breast imaging applications require the use of realistic physical three-dimensional phantoms are breast CT, phase-contrast mammography and the existing breast Tomosynthesis, dedicated to screen as early as possible and diagnose cancer in breast. However, manufacturing of such phantoms meets difficulties related to the current technology, suitable materials, manufacturing precision, format of the software models. This paper reports the preliminary results from simulation studies aiming to investigate mixtures prepared from epoxy resin and iodine powder in specific ratios as tissue substitutes for x-ray breast imaging. For each material, mass and linear attenuation coefficients were calculated for the x-ray energy range from 10 to 32 keV. Mixtures of epoxy resin and up to 1.8% iodine powder turn to be a suitable option for tissue substitutes. Selected materials were used in simulations of breast lesions with blurry edges.
机译：新兴的X射线乳腺成像应用程序需要使用逼真的物理三维体模，如乳腺CT，相衬乳腺X线照相术和现有的乳腺断层合成技术，这些技术致力于尽早进行筛查并诊断出乳癌。但是，这种模型的制造遇到了与当前技术，合适的材料，制造精度，软件模型的格式有关的困难。本文报告了模拟研究的初步结果，旨在研究以特定比例由环氧树脂和碘粉制成的混合物，作为X射线乳腺成像的组织替代品。对于每种材料，计算出的X射线能量范围为10至32 keV的质量和线性衰减系数。环氧树脂和高达1.8％的碘粉的混合物已成为组织替代品的合适选择。所选材料用于模拟边缘模糊的乳房病变。

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