息地风险评分在前列腺癌放射治疗中的整合
Evangelia I Zacharaki1, Adrian L Breto1, Ahmad Algohary1
1Department of Radiation Oncology, University of Miami Miller School of Medicine, Miami, Florida.
International journal of radiation oncology, biology, physics
|October 25, 2025
概括
息地风险评分 (HRS) 地图通过标准化瘤细分来改善前列腺癌,增强放射治疗. 这种多参数MRI技术提高了准确性和客观性,以获得更好的患者结果.
科学领域:
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
- 医学物理 医学物理
背景情况:
- 焦点辐射增强可以提高前列腺癌治疗的有效性.
- 总瘤体积 (GTVp) 的准确细分对于促进输送至关重要.
- 需要GTVp轮的标准化方法,以便更广泛地采用焦点推进RT.
研究的目的:
- 提出用于前列腺癌中自动GTV轮的息地风险评分 (HRS) 地图.
- 描述一个将HRS集成到放射治疗 (RT) 工作流程中的平台.
- 评估HRS在改善GTVp细分的有效性,以提高焦点辐射.
主要方法:
- HRS是一种多参数MRI (mpMRI) 分析技术,每像素分配侵略性得分.
- 在接受RT助推的患者中评估了HRS,使用HRS6体积指导GTVp细分.
- 后勤回归和放射学模型评估了HRS6区分癌症风险的能力,并与基因组签名相关联 (解读).
主要成果:
- 与参考程序相比,HRS引导的活检产生了更高的阳性核心率.
- HRS6与PSA,等级组 (GG) 和解码 (P < .0001) 显示出显著的相关性.
- 在确定临床显著,中等和高风险癌症时,HRS6的AUC分别为0.76,0.81和0.85.
结论:
- HRS方法标准化和增强瘤局部化,以实现一致的GTVp划分.
- HRS提高了评估中的客观性,并为更广泛的临床采用而简化.
- 这种技术有助于精确的焦点辐射促进前列腺癌患者的输送.
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