了解跨动脉放射栓塞剂量计的当前趋势和进展
Shamar Young1, Kiyon Naser-Tavakolian2, Abin Sajan2
1Interventional Radiology, University of Arizona Tucson, Tucson, AZ 85724, USA.
Diagnostics (Basel, Switzerland)
|January 10, 2026
概括
跨动脉放射栓塞 (TARE) 中的先进剂量测量改善了肝癌 (如HCC) 的结果. 个性化方法,包括分区和基于voxel的方法,与旧技术相比,提供了更好的结果,支持更广泛的采用.
科学领域:
- 干预性放射学 干预性放射学
- 辐射瘤学 辐射瘤学
- 医学物理 医学物理
背景情况:
- 跨动脉放射栓塞 (TARE) 是肝脏恶性瘤的关键治疗方法.
- 在TARE中治疗的成功受到精确的辐射剂量计的显著影响.
- 剂量测量已经从经验方法发展到复杂的分区和基于voxel的方法.
研究的目的:
- 在TARE中对各种肝脏瘤类型的先进 (个性化) 剂量计的证据进行审查.
- 突出新出现的剂量反应关系和实际实施的挑战.
- 为了比较不同的剂量测量方法,包括MIRD,分区和基于voxel的方法.
主要方法:
- 关于TARE剂量计的同行评审临床研究和试验的叙述性综述.
- 专注于肝细胞癌 (HCC),肝脏内胆管癌 (iCCA),转移性结直肠癌 (mCRC),神经内分泌瘤 (NET) 和乳腺癌肝脏转移.
- 单隔间MIRD,分区 (多隔间) 和基于voxel的剂量计的比较.
主要成果:
- 个性化剂量计明显改善了多种瘤类型的结果.
- 与MIRD相比,基于分割的剂量显示HCC的整体存活率优于MIRD.
- 伏塞尔衍生的指标与HCC中的瘤缩相关,先进的剂量计将更高的剂量与iCCA和mCRC中更好的反应联系起来.
结论:
- 证据强烈支持在TARE中更广泛地采用先进剂量计.
- 优化TARE可能包括确保覆盖"冷"瘤区域,并完善粒子规划.
- 标准化,前性验证和可扩展的工作流程对于加速实施至关重要.
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