放射学参数预测纯地面玻璃结节的组织学入侵性
Yasuto Kondo1,2, Masashi Mikubo1, Masaaki Ichinoe3
1Department of Thoracic Surgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan.
Annals of thoracic surgery short reports
|January 10, 2025
概括
计算机断层扫描 (CT) 尺寸和-18氧葡萄糖 (FDG) 定子发射断层扫描 (PET) 最大标准化吸收值 (SUVmax) 可以预测纯地玻璃结节 (pGGNs) 的侵入性. 这些成像发现可能有助于确定肺癌的适当手术干预措施.
科学领域:
- 肺部病理学 肺部病理学
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
背景情况:
- 纯地玻璃结节 (pGGNs) 是一种肺病变,诊断可能具有挑战性.
- 准确预测pGGNs的组织侵入性对于确定适当的治疗策略,特别是手术干预至关重要.
- 综合计算断层扫描 (CT) 和-18氧葡萄糖正子发射断层扫描 (FDG PET) 提供了改善诊断性能的潜力.
研究的目的:
- 评估结合CT和FDG PET的诊断准确性,以预测pGGNs的组织侵入性.
- 来识别CT和FDG PET的成像特征,这些特征与pGGNs的侵入性相关.
- 评估这些成像方法在指导pGGNs手术决策中的有用性.
主要方法:
- 对91名接受了pGGNs切除的患者进行了回顾性分析.
- 术前CT和FDG PET发现与切除的结节的组织病理侵入性相关.
- 进行了统计分析,包括多变量后勤回归和接收器运行特征 (ROC) 曲线分析.
主要成果:
- 侵入性腺癌 (IAD) 与较大的CT大小,较高的最大CT值和较高的最大标准化吸收值 (SUVmax) 与局部腺癌 (AIS) 和最小侵入性腺癌 (MIA) 相比显著相关.
- CT大小 (odds比率[OR],3.848) 和SUVmax (OR,4.968) 被确定为组织学侵入性的独立预测因素.
- 确定了最佳切线值:CT大小≥18mm (灵敏度65%,特异性80%),SUVmax≥1.5 (灵敏度61%,特异性90%) 预测了侵入性. CT大小≥18mm和SUVmax≥1.5的病变显示80%的IAD,而SUVmax≥2.5的病变都是IAD.
结论:
- 来自FDG PET的CT大小和SUVmax与pGGNs的组织侵入性有显著的相关性.
- 这些定量成像参数可以帮助临床医生区分非侵入性和侵入性pGGNs.
- 这些发现表明,CT和FDG PET指标可以帮助确定pGGNs患者的最佳手术管理.
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