Int Urol Nephrol:MRI的指数肿瘤体积作为根治性前列腺切除术后临床和病理结果的预测因子研究

2019-06-01 AlexYang MedSci原创

根治性前列腺癌切除术(RP)样本的指数肿瘤体积(ITV)表现出了与不良病理和肿瘤结果的相关性。最近,有研究人员评估了从前列腺多参数MRI(mpMRI)中计算获得的ITV对预测不良临床和病理结果的价值。研究人员的数据来源于一个前瞻性维护的、单中心的数据库,这些患者在RP之前经历了mpMRI(2007-2016)。研究发现,在455名患者中,前列腺外扩张(EPE)、淋巴结入侵(LNI)、精囊入侵(SV

根治性前列腺癌切除术(RP)样本的指数肿瘤体积(ITV)表现出了与不良病理和肿瘤结果的相关性。最近,有研究人员评估了从前列腺多参数MRI(mpMRI)中计算获得的ITV对预测不良临床和病理结果的价值。

研究人员的数据来源于一个前瞻性维护的、单中心的数据库,这些患者在RP之前经历了mpMRI(2007-2016)。研究发现,在455名患者中,前列腺外扩张(EPE)、淋巴结入侵(LNI)、精囊入侵(SVI)和阳性手术切缘(PM)分别在 23.5%、6.2%、5.5%和15.7%的患者中出现。具有不良病理结果的患者具有更大的ITV均值,并发性ITV是EPE(OR 1.22, p=0.010)、LNI (OR 1.39, p=0.001)和SVI (OR 1.28, p=0.009) 的独立预测因子,但不是PM (OR 1.03, p=0.522)的独立预测因子。ITV和PSA的组合与修正过的Partin表具有相当的预测能力(EPE:ITV+PSAAUC=0.71 vs. PartinAUC=0.71; LNI:ITV+PSAAUC=0.92 vs. PartinAUC=0.90, SVI:ITV+PSAAUC=0.78 vs. PartinAUC=0.82)。5年无BCR生存(跟踪调查均值24.9个月)对那些ITV<2 cc (84.1% vs. 58.5%, p=0.001)的患者更高。然而,ITV并非是BCR的独立预测因子(HR 1.69, p=0.130)。

最后,研究人员指出,mpMRI中测量的ITV是不良病理和临床结果的一个预测因子,并且可以在术前评估中起到协助作用。

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    2019-06-03 zhouqu_8
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    2019-06-01 133d9d3cm85暂无昵称

    学习到了新知识

    0

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    2019-06-01 133d9d3cm85暂无昵称

    很好

    0

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