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双参数MRI和多参数MRI使用分裂动态MRI在前列腺癌诊断中的比较

Bo Kyung Kim, Dal Mo Yang, Geon-Ho Jahng

Journal of the Korean Society of Radiology

|December 19, 2025

概括

双参数MRI (bpMRI) 和多参数MRI (mpMRI) 在使用PI-RADS v2.1标准检测临床显著前列腺癌 (csPCa) 的诊断性能相似. 这表明bpMRI可能足以检测csPCa,简化前列腺癌的诊断.

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:

多参数MRI (mpMRI) 是前列腺癌检测的关键工具.
双参数MRI (bpMRI) 通过省略某些序列提供了一个潜在的简化方法.
对比它们的诊断效果对于优化前列腺癌查方案至关重要.

研究的目的:

为了比较bpMRI与mpMRI在检测临床显著前列腺癌 (csPCa) 的诊断性能.
使用前列腺成像和报告数据系统 (PI-RADS) v2.1标准评估诊断性能.
评估特定MRI序列 (DCE-MRI和R2*) 在csPCa检测中的实用性.

主要方法:

77例前列腺癌病例的回顾性分析,来自60名经过激进前列腺切除术的患者.
两位经验丰富的放射科医生使用PI-RADS v2.1.2.1进行前列腺MRI解释.
对三种MRI协议的评估:bpMRI (T2WI,DWI,ADC),mpMRI1 (包括DCE) 和mpMRI2 (包括DCE和R2*).

主要成果:

在bpMRI,mpMRI1和mpMRI2 (p>0.05) 之间检测csPCa的诊断性能 (AUC,灵敏度,特异性,准确性) 没有显著差异.
与峰值R2*相比,动态对比增强型MRI (DCE-MRI) 在外围区域病变中检测csPCa的性能优于峰值R2* (p < 0.001).

结论:

使用分割动态MRI的mpMRI显示了基于PI-RADS v2.1的bpMRI可比的诊断性能,用于检测基于PI-RADS v2.1的csPCa.
在csPCa检测方面,bpMRI可能是mpMRI的可行替代品,可能提高前列腺癌诊断的效率.

关键词:

显而易见的扩散系数 (ADC)双参数磁共振成像 (bpMRI) 是一种磁共振成像技术.动态对比增强 (DCE) 图像成像动态敏感性对比 (DSC) 成像成像磁共振成像是一种磁共振成像技术.多参数磁共振成像 (mpMRI) 技术前列腺前列腺前列腺前列腺癌是前列腺癌.分裂动态磁共振成像技术分裂动态磁共振成像技术

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