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对光谱计算机断层扫描定量参数与在肺腺癌中通过空气空间传播之间的相关性进行初步探索

Hongzheng Song¹, Shiyu Cui¹, Liang Zhang¹

¹Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, China.

Quantitative imaging in medicine and surgery

|January 15, 2024

概括

光谱CT定量参数,特别是CT100keVa和CT100keVv,在肺腺癌 (LUAD) 中通过空气空间 (STAS) 识别传播方面显示出希望. 将这些参数与CT特征相结合,为STAS检测提供了高诊断效率.

科学领域:

放射学放射学是一门学科.
在瘤学瘤学.
医疗成像医学成像

背景情况:

通过空气空间传播 (STAS) 是肺腺癌 (LUAD) 的侵入性模式,与预后不佳有关.
使用常规计算机断层扫描 (CT) 评估STAS是主观的,缺乏定量数据.
光谱CT为瘤提供了定量分析能力,有可能改善STAS评估.

研究的目的:

在LUAD患者中调查光谱CT定量参数和STAS之间的关联.
评估光谱CT参数和CT特征在识别STAS中的诊断性能.
探索用于STAS检测的综合光谱CT参数和CT特征的疗效.

主要方法:

对47名接受手术切除和光谱CT的LUAD患者的回顾性分析.
提取的定量参数:CT值在40,70,100keV (动脉/静脉),度,正常化度和光谱曲线斜率.
统计分析发现了参数和STAS状态之间的显著相关性;ROC曲线评估了诊断性能.

主要成果:

CT100keVa,CT100keVv,病态阶段,瘤密度,化,最大固体成分直径,以及巩固/瘤比率 (CTR) 与STAS有显著相关.
瘤密度显示出高的诊断能力 (AUC=0.824).
在量化参数中,CT100keVa表现最好 (AUC=0.779). 一个组合模型实现了最高的诊断效率 (AUC=0.952).

结论:

频谱CT定量参数CT100keVa和CT100keVv显示了在LUAD中区分STAS状态的潜力.
定量光谱CT参数,特别是在100keV,可能有助于评估STAS.
综合光谱CT参数和CT特征提供了一个高效的诊断模型,用于LUAD中的STAS.

关键词:

通过空气空间 (STAS) 传播.肺腺癌 (LUAD) 是一种肺腺癌.定量参数定量参数光谱计算断层扫描 (光谱CT)

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