高级别子宫内膜癌:前哨淋巴结活检是安全可行的一项技术

2021-01-22 张师前 张师前公众号

加拿大多伦多大学Cusimano等报告的一项前瞻性队列研究显示,在淋巴结转移风险增高的高级别子宫内膜癌(EC)患者中,与淋巴结清扫术相比,前哨淋巴结活检(SLNB)具有可接受的诊断准确性,并提高了淋巴

加拿大多伦多大学Cusimano等报告的一项前瞻性队列研究显示,在淋巴结转移风险增高的高级别子宫内膜癌(EC)患者中,与淋巴结清扫术相比,前哨淋巴结活检(SLNB)具有可接受的诊断准确性,并提高了淋巴结阳性病例的检测率。研究结果表明 SLNB 是EC手术分期的可行选择。(JAMA Surg. doi: 10.1001/jamasurg.2020.5060)

SLNB是否可以代替淋巴结清扫术用于高级别EC患者的手术分期,目前尚不清楚。该研究的目是在中级和高级EC患者中,利用吲哚菁绿探讨SLNB的诊断准确性、性能特点以及与其相关的发病率。

这项前瞻性、多中心队列研究(SLNB对比淋巴结清扫术的高级别子宫内膜癌分期SENTOR研究),应计时间为2015年7月1日至2019年6月30日,由于达到预先指定的准确性标准而被提前停止。该研究包括计划接受腹腔镜或机器人子宫切除术的临床期 2级子宫内膜样或高级别EC患者,以期在加拿大安大略省多伦多的3个指定癌症中心完成分期。所有患者均接受SLNB,然后行淋巴结清扫术作为参考标准。患有2级子宫内膜样EC的患者仅接受盆腔淋巴结清扫术(PLND),而高级别EC患者进行PLND和主动脉旁淋巴结清扫术(PALND)。

主要终点是SLNB算法的敏感性。次要终点是诊断准确性,前哨淋巴结检出率和不良事件的其他衡量指标。

研究招募了156例患者(中位年龄为65.5岁,范围为40~86岁;中位体质指数为27.5 kg/m2,范围为17.6~49.3 kg/m2),其中126例患者为高级别EC。所有患者均接受SLNB和PLND治疗,其中101例(80%)高级别EC患者也接受了PALND治疗。

前哨淋巴结检出率为每例患97.4%(95%CI 93.6%~99.3%),单侧87.5%(95%CI83.3%~91.0%),双侧77.6%(95%CI 70.2%~ 83.8%)。

在27例(17%)淋巴结转移患者中,通过SLNB算法正确识别了26 例患者,敏感性为96%(95%CI81%~100%), 假阴性率为4%(95%CI 0~19%),阴性预测值为99%(95%CI 96%~100%)。SLNB算法仅将1例(0.6%)患者错误分类。在27例淋巴结阳性患者中,有7例(26%)阳性淋巴结在传统的PLND 范围之外或需要进行免疫组化确诊。

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    2021-01-24 smlt2008
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    2021-01-24 sodoo
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    2021-01-22 zb1235672

    子宫内膜癌

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