丙烯酸补偿滤光片设计可增强颚后投影的 X 射线图像

Mukhtar Effendi, Sri Maryanah, Agus Sholeh, Wiwiek Fatchurohmah
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摘要

本研究旨在通过添加丙烯酸补偿滤光片,使肛门后位投影的 X 射线检查胶片图像获得更好的对比度。研究人员在 Margono Soekarjo 医院(RSMS)1 号检查室的 Quantum CS-2 X 射线仪器上使用肛门模型进行了研究,方法是在准直器外侧添加丙烯酸材料,厚度从 2 毫米到 22 毫米不等,作为补偿滤光片厚度的决定因素。射线照片由 CR 读取器处理,并导入 Weasis 软件 2.0.7 版分析其像素值。结果显示,腕骨和远节指骨的补偿滤光片厚度不同。在 55 kV 和 5 mAs 的曝光系数下,厚度为 2.32 cm 的丙烯酸补偿滤光片被认为是对远端指骨区域和 0.08 cm 的腕骨区域进行补偿的最佳选择。
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The Acrylic Compensation Filter Design Enhances the X-Ray Image of the Ossa Manus in Posteroanterior Projection
This study aims to obtain a better contrast in the film image on X-ray examination of the ossa manus in posteroanterior projection with the addition of an acrylic compensating filter. An investigation was carried out using the phantom manus object on the Quantum CS-2 X-ray apparatus in the examination room 1 of the Margono Soekarjo Hospital (RSMS) by adding acrylic material on the outside of the collimator with a thickness ranging from 2 mm to 22 mm as a determinant of the thickness of the compensation filter. The radiographs were processed by a CR reader and imported into the Weasis software version 2.0.7 to analyze their pixel values. The results showed different compensatory filter thicknesses in the carpal and distal phalanges. An acrylic compensation filter with a thickness of 2.32 cm was considered optimal to compensate for the distal phalanges area and 0.08 cm for the carpal area in the phantom manus with an exposure factor of 55 kV and five mAs.
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