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在固体瘤中全身整体剂量和放射治疗后的淋巴细胞缺血症

Nuradh Joseph¹, Lanka Alagiyawanna^2,3, Thilina Ruwanpura⁴

¹Clinical Oncology, District General Hospital, Matara, Sri Lanka.

|March 6, 2025

概括

放射治疗剂量重新分配可能会使淋巴细胞缺血症恶化. 较高的整体体位剂与较低的治疗后淋巴细胞计数相关,表明淋巴细胞缺血是头癌的不良预后因素.

科学领域:

在瘤学瘤学.
辐射瘤学辐射瘤学
血液学血液学血液学

背景情况:

现代放射治疗技术,如强度调节放射治疗 (IMRT),重新分配辐射剂量.
这种重新分配可能会增加体内传递的整体剂量.
增加整体剂量可能导致淋巴细胞缺血症,淋巴细胞数量减少.

研究的目的:

为了验证整体体剂量与治疗后淋巴细胞缺血症之间的相关性.
评估治疗后淋巴细胞缺血症的预后影响,在接受治疗目的放射治疗的患者中.

主要方法:

对116名接受治疗疗效放射治疗的患者进行了回顾性分析.
收集的数据包括治疗细节,淋巴细胞计数,整体体位剂量和无病生存期.
用多变量回归和考克斯比例危险模型进行分析.

主要成果:

在放射治疗后观察到淋巴细胞数量显著下降 (2.2×10^9/L到0.8×10^9/L).
治疗后的淋巴细胞缺血与治疗前的淋巴细胞计数,整体体剂量,IMRT和并发化疗有显著的相关性.
较低的治疗后淋巴细胞计数与头癌患者的预后较差有关.

结论:

整体体剂量与治疗后淋巴细胞缺血症之间的负相关性得到证实.
治疗后的淋巴细胞缺血是头癌患者接受治疗性放射治疗的不良预后因素.

关键词:

生物标志物生物标志物免疫能力免疫能力淋巴细胞淋巴细胞放射疗法是一种放射治疗.

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