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在不可切割的瘤中对中央助推放射治疗的反应:一个病例系列

Danielle N Burner¹, Peter G Hendrickson², Diana M Cardona³

¹Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina.

Advances in radiation oncology

|January 15, 2025

概括

高剂量的辐射增强到不可切割的瘤 (RPS) 的中心显示可行性和良好的局部控制. 由于这种罕见的癌症患者中转移性疾病的高发病率,需要进一步的全身治疗.

科学领域:

辐射瘤学辐射瘤学
手术瘤学手术瘤学
医学瘤学医学瘤学

背景情况:

逆皮质肉瘤 (RPS) 的最佳治疗方法尚未明确定义.
无法切除的RPS带来了重大的治疗挑战.

研究的目的:

评估高剂量辐射对不可切割的RPS中中心瘤的可行性.
评估本地瘤反应和这种新型辐射技术的毒性.

主要方法:

五名无法切除的RPS患者接受了强度调节辐射疗法 (IMRT) 与中心增强.
剂量范围从25-45 Gy到外部瘤和56-75 Gy到中央瘤 (相当于剂量为62.67-87.5 Gy EQD2).
技术包括顺序性,数字化或同时集成提升 (SIB),以节省相邻器官.

主要成果:

辐射治疗后的中位生存期为30个月.
五分之三的患者获得了临床稳定的局部疾病.
没有患者经历过临床显著的辐射毒性.

结论:

高剂量的中央增强辐射是一种耐受性良好且可行的治疗不可切割的RPS.
观察到优秀的局部瘤控制.
有效的全身疗法对于这些患者的转移性疾病的管理至关重要.

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