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Comparison of Narrow-angle and Wide-angle Digital Breast Tomosynthesis Systems in Clinical Practice

机译:比较窄角和广角数码乳房Tomosynthesis系统在临床实践中

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摘要

Digital breast tomosynthesis (DBT) is a pseudo 3D mammography imaging technique that has become widespread since gaining Food and Drug Administration approval in 2011. With this technology, a variable number of tomosynthesis projection images are obtained over an angular range between 15 degrees and 50 degrees for currently available clinical DBT systems. The angular range impacts various aspects of clinical imaging, such as radiation dose, scan time, and image quality, including visualization of calcifications, masses, and architectural distortion. This review presents an overview of the differences between narrow- and wide-angle DBT systems, with an emphasis on their applications in clinical practice. Comparison examples of patients imaged on both narrow- and wide-angle DBT systems illustrate these differences. Understanding the potential variable appearance of imaging findings with narrow-and wide-angle DBT systems is important for radiologists, particularly when comparison images have been obtained on a different DBT system. Furthermore, knowledge about the comparative strengths and limitations of DBT systems is needed for appropriate equipment selection.
机译:数字乳腺tomosynthesis(印度生物技术部)是一个伪3 d乳房x光检查已成为成像技术以来普遍获得食品和药物2011年政府批准。技术,一个变量tomosynthesis的数量投影图像得到了一个角15度和50度之间目前临床印度生物技术部系统。角范围影响临床的各个方面成像,如辐射剂量、扫描时间,图像质量,包括可视化钙化、质量和建筑扭曲。之间的差异缩小,广角印度生物技术部系统,重点是他们的在临床实践中的应用。病人在狭窄和成像的例子广角印度生物技术部系统说明这些的差异。外貌和狭窄的影像学表现广角印度生物技术部系统是很重要的放射科医生,特别是当比较图像取得了不同的印度生物技术部系统。此外,知识比较印度生物技术部系统的优点和局限性需要选择合适的设备。

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