Eur Urol:磁共振成像定位对前列腺癌过度诊断和过度治疗的影响

2021-07-31 AlexYang MedSci原创

已经有研究指出,利用磁共振成像(MRI)定位前列腺病变,将提高前列腺活检对高等级疾病的敏感性。但在MRI上发现的高级别肿瘤却在系统活检中遗漏的的临床意义有待商榷。

已经有研究指出,利用磁共振成像(MRI)定位前列腺病变,将提高前列腺活检对高等级疾病的敏感性。但在MRI上发现的高级别肿瘤却在系统活检中遗漏的的临床意义有待商榷。

近期,有研究人员确定了良性系统活检结果的男性中,通过MRI却发现存在高等级癌症的死亡风险情况

研究人员使用了国家癌症研究所MRI研究中999名系统活检阴性并同时进行MRI靶向活检男性的数据。比较组包括欧洲前列腺癌筛查随机试验(ERSPC)中3056名六处定位活检阴性后随访11年的男性。研究人员计算了靶向活检后需要诊断(NND)和治疗(NNT)的患者人数。他们使用了一个简单的建模方法,其中涉及几个假设,如ERSPC的死亡比例可以通过MRI引导下活检的早期检测来预防。之后改变这些假设,以评估对结果的影响。

研究结果发现,在对MRI有利的假设的情况下,NND和NNT分别为89和57,而在比较中性的假设下,NND和NNT分别为169和127。在不太可能的情况下,如MRI的敏感性为100%,治疗的治愈率为100%,MRI定位的结果才会更令人鼓舞。

MRI对前列腺癌诊断和前列腺癌死亡率的影响

综上所述,考虑到MRI阴性男性中过度诊断的减少,尽管MRI在整体上可能是有益的,但将活检针对准MRI检测到的病变,每预防1例死亡就会有大量的男性得到诊断和治疗应考虑改变关于MRI核心分级的指南和MRI检测到的高等级前列腺癌的治疗指南

原始出处:

Andrew J Vickers. Effects of Magnetic Resonance Imaging Targeting on Overdiagnosis and Overtreatment of Prostate Cancer. Eur Urol. Jul 2021

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    2021-08-02 ms3000001999514966

    理学物理信息信号

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    2021-08-01 ms5000000518166734

    已读已读已读已读已读已读已读已读,学习学习学习学习学习,受益匪浅

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    2021-08-01 misszhang

    前列腺癌相关研究,学习了,谢谢梅斯

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    2021-07-31 1453df99m58暂无昵称

    研究人员确定了良性系统活检结果的男性中,通过MRI定位发现却有高等级癌症的死亡风险情况。。

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