用于计算机断层成像质量保证和控制的剂量幻象的开发——图像质量和剂量评估的研究

IF 0.7 Q4 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Djuli Pontjowijono, Donny Kristanto Mulyantoro, Rini Indrati
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引用次数: 0

摘要

ct在发现和诊断患者疾病方面做出了巨大贡献。ct在应用于患者之前,必须通过幻影的质量保证和控制。然而,幽灵的可用性仍然很小,因为它们的高价格。他的研究旨在基于图像质量和剂量参数创建和评估质量保证和控制程序的圆柱形幻影。研究方法包括使用Sketchup创建一个参考CatPhan幻影的图像质量幻影设计。结果表明,该伪像提供了标准伪像的结果;ImDose虚影的信噪比、CNR、MTF、噪声和MTF值仍在标准虚影标准内。经统计检验,SNR、CNR、MTF、NPS和噪声的图像质量与标准幻像的差异无统计学意义(p >0.05)。均匀性值与标准模体存在显著差异,ap值为<0.05,因此仍需改进。增加电压和电流的结果与提高图像质量和剂量成正比。用于质量保证和ct控制的ImDose幻影已成功开发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Imdose Phantom Development For Quality Assurance And Control In Computed Tomography Imaging Study Of Image Quality And Dosage Assessment
C.T. has made a great contribution to detecting and diagnosing patients' diseases. C.T., before being applied to patients, must pass quality assurance and control with phantom. However, the availability of phantoms is still minimal because of their high price. His study aims to create and evaluate cylindrical phantoms for quality assurance and control procedures based on image quality and dose parameters. The research method involves creating an image-quality phantom design that references the CatPhan phantom using Sketchup. The results show that the phantom image provides results from the standard phantom; the SNR, CNR, MTF, noise, and MTF values of the ImDose phantom are still within the standard phantom criteria. Based on statistical tests, the image quality of SNR, CNR, MTF, NPS, and noise is not statistically significantly different from the standard phantom (p > 0.05). The uniformity value still needs to be improved because it has a significant difference from the standard phantom with an ap value <0.05. Increasing the voltage and current gave results proportional to improving image quality and dose. ImDose phantoms for quality assurance and C.T. control have been successfully developed.
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来源期刊
International Journal of Migration Health and Social Care
International Journal of Migration Health and Social Care PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
1.30
自引率
0.00%
发文量
21
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