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基线1⁸F-FDG PET/CT放射学预测小细胞肺癌的早期进展和存活率

Cheng-Yin Liu^1,2,3, Li-Fan Lin⁴, Chen-Liang Tsai^1,2

¹Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical University, 325, Section 2, Cheng-Gung Road, Nei-Hu Dist. 114, Taipei, Taiwan.

|January 13, 2026

概括

基线18F-FDG PET/CT放射学,特别是全损伤糖解 (TLG),预测小细胞肺癌 (SCLC) 患者的生存率. 代谢性瘤体积 (MTV) 和乳酸脱酶 (LDH) 识别早期进展,有助于风险分层.

科学领域:

在瘤学瘤学.
放射学放射学是一门学科.
医疗成像医学成像

背景情况:

小细胞肺癌 (SCLC) 在治疗和预后方面构成了重大挑战.
对SCLC治疗反应和生存的预测生物标志物对于个性化医学至关重要.

研究的目的:

评估基线18F-FDG PET/CT放射性特征是否可以预测进行一线化疗的SCLC患者的早期进展和整体存活率 (OS).
确定与治疗结果相关的特定放射性标记物.

主要方法:

45名SCLC患者的回顾性分析,基线为18F-FDG PET/CT扫描.
放射性特征的提取,包括代谢性瘤体积 (MTV),总损伤糖解 (TLG),SUV 历史图参数和GLCM指标.
考克斯回归和ROC分析的应用,以评估与无进展生存 (PFS) 和OS的关联.

主要成果:

更高的日志转换TLG (logTLG) 独立预测了更短的PFS和OS.
MTV和血清乳酸脱酶 (LDH) 是早期进展的显著预测因素.
年龄和IV期是OS的其他独立预测因素.
GLCM的纹理特征没有显示显著的预测价值.

结论:

基线胸部PET/CT放射性,特别是logTLG,是SCLC生存的独立预测因素.
MTV和LDH可以识别患有早期进展高风险的患者.
年龄,阶段和SUV预测短期死亡率,支持综合成像临床风险分层.

关键词:

代谢性瘤的体积和体积.预测预后预测预测无线电学 (Radiomics) 是一种放射学.小细胞肺癌是一种小细胞肺癌.总的损伤糖解.18F-FDG 关于PET/CT 的研究

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