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胸腺组成,疾病控制和毒性在局部发达的肺癌

Tafadzwa L Chaunzwa, Abraham J Book, Biniam Garomsa

medRxiv : the preprint server for health sciences

|November 24, 2025

概括

一个新的基于CT的度量,百分比胸腺组织 (pTT),量化了成年人剩余的胸腺. 较低的pTT与癌症治疗毒性增加和非小细胞肺癌患者的生存率降低相关.

科学领域:

放射学放射学是一门学科.
免疫学免疫学免疫学
在瘤学瘤学.

背景情况:

胸腺缩是衰老的标志,但缺乏测量残留胸腺和其临床影响的非侵入性方法.
评估胸膜功能对于理解与年龄相关的免疫衰退及其对癌症结果的影响至关重要.

研究的目的:

开发和验证一种基于CT的新型指标,即胸膜组织百分比 (pTT),用于量化成人残留胸膜组织.
调查pTT与年龄,性别,临床结果以及局部晚期非小细胞肺癌 (NSCLC) 患者治疗相关毒性的关联.

主要方法:

基于变压器的细分模型被用于在胸部CT扫描上自动划分胸腺.
使用高斯混合模型计算百分比胸膜组织 (pTT).
该pTT指标应用于两组 (MAASTRO和MSKCC) 的第三阶段NSCLC患者,使用Kaplan-Meier和Cox回归模型分析与生存,转移,失败率和毒性的关联.

主要成果:

随着年龄的增长,pTT降低,在两个队列中的男性中较低.
在NSCLC患者中,pTT独立预测了整体存活率,远程转移无存活率 (DMFS) 和局部区域性衰竭率 (LRF).
较低的pTT与严重肺炎的风险增加和由于与治疗相关的不良事件而中止杜尔瓦卢马布的风险增加有关.

结论:

胸膜组织百分比 (pTT) 是胸膜功能的一种可靠的,非侵入性的定量测量.
pTT反映了与年龄相关的胸膜内置,并独立预测第三阶段NSCLC的生存率和治疗毒性.
pTT可以作为一个有价值的成像生物标志物来评估免疫状态和指导癌症治疗.

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