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血管造影标志在F-FDG PET/CT上:为儿科T-淋巴细胞淋巴瘤的特定成像标志物

Haoyu Zhang¹, Chao Li¹, Yuxuan Chen¹

¹Department of Nuclear Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Rd., Shanghai, 200092, China.

European journal of nuclear medicine and molecular imaging

|July 30, 2025

概括

在PET/CT上的血管造型标志是儿童T-淋巴细胞淋巴瘤 (T-LBL) 的特定标志物. 这种成像发现,以及瘤大小和SUVmax,有助于区分T-LBL与其他中乳腺癌.

科学领域:

核医学是一种核医学.
儿科瘤学儿科瘤学
放射学放射学是一门学科.

背景情况:

区分T-淋巴细胞淋巴瘤 (T-LBL) 和其他儿科前中间膜恶性瘤对于适当的治疗至关重要.
F-FDG PET/CT为瘤的特征提供了代谢和形态信息.
在PET/CT上"血管造"的标志在T-LBL中曾经被观察到,但需要进行系统的评估.

研究的目的:

评估F-FDG PET/CT参数的诊断性能,特别是"血管造"标志,以区分儿科T-LBL与其他前中间瘤.
为了评估"血管造"标志的可复制性.

主要方法:

对60名儿科患者 (≤21岁) 的预治疗F-FDG PET/CT扫描进行了回顾性分析.
在T-LBL和非T-LBL组之间比较成像参数,包括"血管造"标志.
对"血管造形"标志的观察者内部和观察者间协议的评估.

主要成果:

在15/24个T-LBL病例中观察到"血管造"标志,显示高特异性 (97.2%) 和积极预测值 (93.8%),具有中度敏感性 (62.5%).
观察者内部和观察者间对"血管造"标志的一致性很高 (分别为0.91和0.83).
对于T-LBL的独立预测因素包括"血管造"标志,瘤SUVmax和最大瘤尺寸 (Dmax>6.85厘米). 一个组合模型的AUC达到0.943,一个简化的评分系统显示出了出色的诊断性能.

结论:

"血管造型"标志是T-淋巴细胞淋巴瘤在F-FDG PET/CT上的高度特定和可重现的成像标志物.
将"血管造型"标志与其他PET/CT参数 (如SUVmax和瘤尺寸) 结合起来,可以提高T-LBL的诊断准确度.
这种基于成像的评分系统可以帮助区分T-LBL与其他儿科前部中瘤.

关键词:

在18F-FDG中.前部中的恶性瘤.聚乙烯/聚乙烯/聚乙烯在T-淋巴细胞淋巴瘤.血管系统造标志的标志

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