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动态对比增强 (DCE) 成像用于前列腺癌检测的好处取决于读者在前列腺MRI中的经验

F Ziayee¹, L Schimmöller², M Boschheidgen¹

¹Department of Diagnostic and Interventional Radiology, University Dusseldorf, Medical Faculty, D-40225 Dusseldorf, Germany.

Clinical radiology

|January 7, 2024

概括

读者体验显著影响使用MRI检测前列腺癌. 专家放射科医生通过多参数MRI (mpMRI) 获得更高的准确性,而经验较少的读者从DCE成像中受益,以改善临床显著前列腺癌 (csPC) 的检测.

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:

多参数磁共振成像 (mpMRI) 对于检测临床显著前列腺癌 (csPC) 至关重要.
读者体验是影响医疗成像诊断性能的一个已知的因素.

研究的目的:

评估动态对比增强 (DCE) 成像在mpMRI中的作用,用于CSPC检测.
根据放射科医生的经验,比较mpMRI与双参数MRI (bpMRI) 的性能.

主要方法:

前性研究包括124名接受3TmpMRI和MRI/超声波融合活检的患者.
mpMRI扫描被经验较少的 (R1) 和专家 (R2) 放射科医生解读,无论是完全的mpMRI还是盲目的bpMRI (没有DCE) 重读.
主要终点:mpMRI与bpMRI对R1和R2的性能比较.

主要成果:

在43%的患者中检测到cspc.
mpMRI显示,在经验较少的读者中,整体准确性高于bpMRI (79.8%与66.9%,p=0.017).
专家读者在mpMRI (98.1%) 中对csPC表现出高灵敏度,DCE有助于检测一些低级癌症.

结论:

读者经验对于准确的前列腺MRI解释至关重要.
经验较少的放射科医生在mpMRI和bpMRI方面表现不佳,错过了更多的csPC病例.
专家的性能在mpMRI和bpMRI之间是可比的,但DCE为检测某些前列腺癌提供了额外的价值.

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