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Eur Urol:临床再分期和肿瘤测序时肌层浸润膀胱癌新辅助化疗的不准确指标

2020-09-06 AlexYang MedSci原创

肌层浸润性膀胱癌(MIBC)患者的标准护理包括新辅助顺铂化疗(NAC),随后进行放化疗或根治性膀胱癌切除术(RC)的巩固治疗。一些患者进行NAC后发生了剧烈的病理反应,而这些已被报道与特定基因途径的体

肌层浸润性膀胱癌(MIBC)患者的标准护理包括新辅助顺铂化疗(NAC),随后进行放化疗或根治性膀胱癌切除术(RC)的巩固治疗。一些患者进行NAC后发生了剧烈的病理反应,而这些已被报道与特定基因途径的体细胞突变有关,包括DNA损伤响应基因。最近,有研究人员评估了NAC后的临床再分期的能力,并在具有或不具有肿瘤测序的情况下,来预测最终的RC病理分期。

研究包括了2003年到2016年之间NAC后进行了RC的MIBC患者。共有114名患者在NAC后和RC前进行了再分期经尿道切除(TUR)。与最终RC病理相比,NAC后临床再分期(包括TUR)的诊断准确性较差,32%的患者被错误的下调分期。49名患者具有NAC前的肿瘤组织测序结果,其中32名患者显示至少有一个感兴趣的突变。然而,NAC反应和分期错误下调并没有因肿瘤突变状态而有显著差异。

再分期(rT)和最终病理分期分布(ypT)

最后,研究人员指出,他们的结果强调了NAC后临床再分期TUR的不准确性;无论是否具有肿瘤突变分析,均无法准确评估病理残留疾病。因此,当进行NAC后再分期时必须谨慎,尤其是在此基础上考虑积极监测等保守治疗时应该更加谨慎。

原始出处:

Russell E N Becker, Alexa R Meyer, Aaron Brant et al. Clinical Restaging and Tumor Sequencing are Inaccurate Indicators of Response to Neoadjuvant Chemotherapy for Muscle-invasive Bladder Cancer. Eur Urol. August 2020

 

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    2020-09-07 14818eb4m67暂无昵称

    学习

    0

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    2020-09-06 留走人康

    膀胱癌真怪,明明是免疫敏感性肿瘤,为什么PD-1治疗效果不好呢?难道靶点不对?将来CD47会不会有效

    0

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