J Thorac Oncol:放疗外科治疗驱动基因阳性多发NSCLC脑转移

2018-02-13 Wrangx 肿瘤资讯

EGFR突变和ALK重排NSCLC脑转移(BM)较驱动基因阴性患者预后好,因此更倾向选择毒性较低的治疗方式,然而WBRT对认知功能有影响。仅放疗外科而不联合WBRT适用于1~3个脑转移病灶,但在更多脑转移病灶的应用还存在争议。

EGFR突变和ALK重排NSCLC脑转移(BM)较驱动基因阴性患者预后好,因此更倾向选择毒性较低的治疗方式,然而WBRT对认知功能有影响。仅放疗外科而不联合WBRT适用于1~3个脑转移病灶,但在更多脑转移病灶的应用还存在争议。

纳入2008年到2017年驱动基因阳性阳性NSCLC,要求脑转移病灶≥4 个接受放疗外科治疗。共入组患者35例,中位随访4.1年。接受单次放疗外科脑转移病灶个数为4~26个,在整个治疗过程中脑转移病灶个数为4~47次。从诊断BM计算中位生存期3.0年(ALK阳性患者为OS4.2年,而EGFR为2.4年)。中位生存期与放疗外科次数、总体脑转移个数,单次放疗手术治疗脑转移病灶数无关。放疗外科可耐受,5年无5年神经系统死亡为84%。5年免于WBRT比率为 97%。放疗外科治疗多发脑转移还有争议,但对于EGFR突变和ALK重排NSCLC是合适的。该研究支持单次或多次使用放疗外科不联合WBRT治疗驱动基因阳性4个及以上病灶的NSCLC脑转移。

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    2018-05-16 yyj062
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    2018-06-30 minlingfeng
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