The impact of technical and environmental conditions on the quality assessment in mammography

IF 2.5 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography Pub Date : 2024-11-15 DOI:10.1016/j.radi.2024.10.013

S. Papathanasiou , K. Szczepura , J.D. Thompson

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引用次数: 0

Abstract

Introduction

Mammography requires optimal image quality and that should be ensured during quality assurance. This study investigates the impact of environmental conditions and monitor specifications on quality control procedures within image acquisition rooms in breast imaging departments.

Methods

During this study, nine TORMAM test object images acquired under different conditions were evaluated by 16 observers in 12 different environmental conditions (low, medium, and high illumination level, white and grey wall colour and 2 monitors with high and low technical characteristics). Visibility of structures was the key criteria.

Results

The number of visible structures per image was dependent on the different environmental conditions, with large variations observed. The wall colour and the illumination level have a statistically significant effect on the number of visible structures. It was statistically proven that the grey wall colour had a positive effect on the visibility of low contrast detail discs.

Conclusion

Low ambient light, with a grey wall colour and monitors with high specification allow greatest structure visibility. On the contrary, white wall colour around the monitor and high ambient light had a negative impact on technical evaluation of the images during quality control procedures.

Implications for practice

Better standardization of the environmental condition is required in acquisition rooms. Specifically, this research points to the benefit of using a low reflectance wall colour and low illumination level around the monitors.

查看原文本刊更多论文

技术和环境条件对乳腺 X 射线摄影质量评估的影响。

引言乳腺造影需要最佳的图像质量，这一点应在质量保证过程中加以确保。本研究调查了环境条件和监视器规格对乳腺成像部门图像采集室质量控制程序的影响：在这项研究中，16 名观察者在 12 种不同的环境条件下（低、中、高照度水平，白色和灰色墙壁，2 台具有高和低技术特性的显示器）对在不同条件下获取的 9 幅 TORMAM 测试对象图像进行了评估。结果：结果：每幅图像中可见结构的数量取决于不同的环境条件，差异很大。墙壁的颜色和照明度对可见结构的数量有显著的统计学影响。统计证明，灰色墙壁对低对比度细节圆盘的可见度有积极影响：结论：环境光线较暗、墙壁颜色为灰色、显示器规格较高时，结构的可见度最高。相反，显示器周围的白色墙壁和较强的环境光线会对质量控制程序中的图像技术评估产生负面影响：对实践的启示：采集室的环境条件需要更好地标准化。具体而言，这项研究指出了在显示器周围使用低反射率墙壁颜色和低照度的好处。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Radiography RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

4.70

自引率

34.60%

发文量

169

审稿时长

63 days

期刊介绍： Radiography is an International, English language, peer-reviewed journal of diagnostic imaging and radiation therapy. Radiography is the official professional journal of the College of Radiographers and is published quarterly. Radiography aims to publish the highest quality material, both clinical and scientific, on all aspects of diagnostic imaging and radiation therapy and oncology.