亚洲地区乳腺x线摄影诊断参考水平

Chamudi Ishara Rajamuni, B. Weerakoon
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引用次数: 0

摘要

背景:乳腺癌是全球女性人群中最常见的癌症。因此,早期发现有助于有效治疗,降低死亡率。乳房x线照相术是一种用低能x射线检测乳腺组织异常的放射学检查。本研究旨在回顾文献,以评估用于确定诊断参考水平(drl)的技术、方案和转换因子;在亚洲大陆范围内使用基于幻影和基于患者的数据。方法:通过Pub Med、Google scholar、徒手检索等方法,系统检索相关文献。筛选相关英文摘要,审读全文后选择合适的文章。对430篇摘要进行相关性筛选,筛选出12篇文章。结果:本研究包括4项基于幻影的研究和8项基于患者的研究。这些研究因试验对象的类型、转换因子、乳房压缩厚度和剂量计算方案而异。这阻碍了在更新和比较国家间的情况下继续进行drl。与世界其他地区相比,亚洲国家设立的drl较少。drl应持续测量,并应根据患者的其他临床参数进行更新。结论:在亚洲不同地区,通过采用不同的技术,可以不时地测量乳房x线摄影中的drl。但与世界其他地区相比,在亚洲建立drl的考虑较少。应根据技术的进步制定标准方案和更新转换系数,以确保具有最佳吸收剂量和适当图像质量的辐射防护。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diagnostic Reference Levels in Mammography in the Asian Context
Background: Breast cancer is the most frequent cancer among the female population globally. Therefore, early detection is helpful for effective treatments and to reduce the mortality rate. Mammography is a radiological examination done with low-energy X-rays to detect abnormalities in breast tissue. This study aims to review the literature to evaluate the techniques, protocols, and conversion factors used to determine the diagnostic reference levels (DRLs); within the Asian continent using both phantom- and patient-based data. Methods: Related articles were systematically reviewed via Pub Med, Google scholar, and freehand search with the aid of relevant terms. Related abstracts in English were screened, and suitable articles were selected after reviewing the full-text. Four hundred and thirty abstracts were screened for relevance, and 12 articles were selected. Results: The study comprises four phantom-based and eight patient-based studies. The studies varied between the types of test subjects, conversion factors, breast compression thickness, and dose calculation protocols. This obstructs continuing the DRLs with the updates and comparisons among countries. Establishments of DRLs in Asian countries are less than the rest of the world. DRLs should be measured continuously, and should be updated based on other clinical parameters of the patients. Conclusion: DRLs in mammography were measured from time to time in different geographical locations in Asia by following various techniques. But when compared with the other regions of the world, there is less consideration for establishing DRLs in Asia. There should be standard protocols and updated conversion factors according to the advancements of the technology to ensure radiation protection with optimal absorbed dose with appropriate image quality.
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