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长度定量MRI前列腺癌在放射治疗后与没有雄激素剥夺疗法

Yu-Feng Wang¹, Sirisha Tadimalla², Niluja Thiruthaneeswaran²

¹The University of Sydney, Sydney, Australia; Ingham Institute for Applied Medical Research, Sydney, Australia; Sydney West Radiation Oncology Network, Western Sydney Local Health District, Australia.

Magnetic resonance imaging

|June 3, 2025

概括

定量核磁共振 (qMRI) 可靠地检测前列腺癌治疗反应在辐射后18个月内. 像Ktrans和HS这样的参数显示出有前途的监测,即使是使用雄激素剥夺疗法 (ADT).

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:

早期检测复发性前列腺癌 (PCa) 后辐射疗法 (RT) 能够及时进行救援治疗.
定量核磁共振 (qMRI) 为早期复发检测提供了潜在的生物标志物.
在接受与雄激素剥夺疗法 (ADT) 相结合的RT的患者中,监测治疗反应的qMRI的实用性尚不清楚.

研究的目的:

确定可靠的qMRI参数,用于检测PCa的后RT反应.
为了比较使用qMRI在接受RT与ADT和单独接受RT的患者中的治疗反应.

主要方法:

在16名局部PCa患者的RT之前和6,12,18个月后进行了qMRI扫描.
在瘤内计算了关键的qMRI参数 (ADC,D,f,HS,R2*,T1,Ktrans,ve).
统计分析 (rANOVA,t-test) 评估了与治疗相关的变化;超过参数不确定性的变化被认为是可检测的.

主要成果:

在RT后18个月的Ktrans和HS可靠地检测出治疗反应,无论ADT使用.
其他qMRI参数在治疗后显示出显著的变化,但由于测量不确定性,它们的可靠性较低.

结论:

定量核磁共振显示,在RT后18个月内可靠检测治疗反应的潜力.
需要进一步的临床试验来验证Ktrans和HS,通过将它们与治疗结果相关联.

关键词:

安卓素剥夺疗法是一种安卓素剥夺治疗.纵向成像纵向成像纵向成像前列腺癌是什么意思前列腺癌是什么意思量化MRI是指数量化的MRI.放射治疗疗法放射治疗疗法对治疗反应的监测和监测.

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