在正子发射断层扫描和计算机断层扫描成像过程中评估个人剂量等价物
H Salah1, A Sulieman2, M Alkhorayef3
1INAYA Medical Collage, Nuclear Medicine Department, Riyadh, Saudi Arabia.
概括
核医学技术人员在PET/CT扫描期间经历了职业辐射暴露. 实施适当的放射性药物处理和患者管理是保持辐射剂量安全的关键.
科学领域:
- 核医学是一种核医学.
- 辐射科学 辐射科学
- 职业健康 职业健康 职业健康
背景情况:
- 阳位子辐射断层扫描/计算机断层扫描 (PET/CT) 是一种至关重要的诊断成像方式.
- 核医学部门的技术人员面临潜在的职业辐射暴露.
- 监测辐射剂量对于确保人员安全和监管合规至关重要.
研究的目的:
- 评估技术人员在PET/CT成像过程中的年度职业辐射暴露 (个人剂量等价值 - PDEs).
- 为了评估深度 (Hp (10)) 和表面 (Hp (0.07)) 剂量,以及极端剂量.
- 在PET/CT工作流程中识别辐射暴露的关键点.
主要方法:
- 11名核医学技术人员在两年内 (2020-2021) 进行了监测.
- 使用热发光探测器 (LiF:Mg:Ti) 测量个人剂量等价值 (PDE).
- 量化了每年的深层和表面剂量 (Hp (10),Hp (0.07)) 和四肢剂量.
主要成果:
- 平均Hp (10) 的剂量为4.5 mSv (范围:0.1-13.4 mSv).
- 平均Hp (0.07) 的剂量为4.63 mSv (范围:0.1-13.9 mSv).
- 平均 extremity 剂量为 2.5 mSv (范围: 0.2-17.5 mSv). 这是一个很大的差异.
- 在放射性药物制备,注射和图像采集过程中发生了显著的暴露.
结论:
- 核医学技术人员在PET/CT手术过程中暴露于高能马射线.
- 有效的辐射安全协议,包括适当的放射性药物处理和患者管理至关重要.
- 保持职业用药剂量在法规范围内,需要认真遵守安全措施.
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