Entesar Z Dalah, Maryam K Alkaabi, Hashim M Al-Awadhi, Nisha A Antony
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The typical DRL for each healthcare center was established and defined as per (A) bilateral image view (left craniocaudal (LCC), right craniocaudal (RCC), left mediolateral oblique (LMLO), and right mediolateral oblique (RMLO)) and (B) structured compressed breast thickness (CBT) criteria. Following this, the local DRL value was established per the bilateral image views for each CBT group. Screening mammography data from a total of 8877 images were used to build this comprehensive DRL system (LCC: 2163, RCC: 2206, LMLO: 2288, and RMLO: 2220). CBTs were classified into eight groups of <20 mm, 20-29 mm, 30-39 mm, 40-49 mm, 50-59 mm, 60-69 mm, 70-79 mm, 80-89 mm, and 90-110 mm. Using the Kruskal-Wallis test, significant dose differences were observed between all seven healthcare centers offering screening mammography. The local DRL values defined per bilateral image views for the CBT group 60-69 mm were (1.24 LCC, 1.23 RCC, 1.34 LMLO, and 1.32 RMLO) mGy. 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引用次数: 0
摘要
乳腺 X 射线筛查被认为是早期发现乳腺癌的最有效手段。然而,流行病学研究表明,纵向暴露于乳腺 X 线照相筛查可能会增加乳腺癌辐射诱发风险,因此需要进行优化和内部审核。本研究旨在建立一个结构合理的综合诊断参考水平(DRL)系统,该系统可用于突出显示需要采取紧急行动的医疗保健中心以及超过剂量通知水平的病例。研究人员收集并回顾分析了在七家不同医疗中心接受乳腺 X 射线筛查的 2048 名妇女的乳腺 X 射线筛查照片。根据 (A) 双侧图像视图(左侧颅尾(LCC)、右侧颅尾(RCC)、左侧内外侧斜视(LMLO)和右侧内外侧斜视(RMLO))和 (B) 结构化压缩乳房厚度(CBT)标准,确定并定义了每个医疗中心的典型 DRL。然后,根据每个 CBT 组的双侧图像视图确定局部 DRL 值。该综合 DRL 系统共使用了 8877 张筛查乳腺 X 射线图像的数据(LCC:2163 张;RCC:2206 张;LMLO:2288 张;RMLO:2220 张)。CBT 被分为以下八组
Screening Mammography Diagnostic Reference Level System According to Compressed Breast Thickness: Dubai Health.
Screening mammography is considered to be the most effective means for the early detection of breast cancer. However, epidemiological studies suggest that longitudinal exposure to screening mammography may raise breast cancer radiation-induced risk, which begs the need for optimization and internal auditing. The present work aims to establish a comprehensive well-structured Diagnostic Reference Level (DRL) system that can be confidently used to highlight healthcare centers in need of urgent action, as well as cases exceeding the dose notification level. Screening mammographies from a total of 2048 women who underwent screening mammography at seven different healthcare centers were collected and retrospectively analyzed. The typical DRL for each healthcare center was established and defined as per (A) bilateral image view (left craniocaudal (LCC), right craniocaudal (RCC), left mediolateral oblique (LMLO), and right mediolateral oblique (RMLO)) and (B) structured compressed breast thickness (CBT) criteria. Following this, the local DRL value was established per the bilateral image views for each CBT group. Screening mammography data from a total of 8877 images were used to build this comprehensive DRL system (LCC: 2163, RCC: 2206, LMLO: 2288, and RMLO: 2220). CBTs were classified into eight groups of <20 mm, 20-29 mm, 30-39 mm, 40-49 mm, 50-59 mm, 60-69 mm, 70-79 mm, 80-89 mm, and 90-110 mm. Using the Kruskal-Wallis test, significant dose differences were observed between all seven healthcare centers offering screening mammography. The local DRL values defined per bilateral image views for the CBT group 60-69 mm were (1.24 LCC, 1.23 RCC, 1.34 LMLO, and 1.32 RMLO) mGy. The local DRL defined per bilateral image view for a specific CBT highlighted at least one healthcare center in need of optimization. Such comprehensive DRL system is efficient, easy to use, and very clinically effective.