目的:探究卵巢-附件影像报告和数据系统(Ovarian-Adnexal Reporting and Data System,O-RADS)联合超声造影(contrast-enhanced ultrasound,CEUS)鉴别卵巢良恶性肿瘤的临床价值。方法:回顾并分析159例卵巢肿瘤的经阴道(或经腹部)超声,并...
目的:肿瘤微环境中,免疫相关机制使程序性死亡分子配体1(programmed death ligand 1,PD-L1)表达上调,从而异常激活PD-L1信号通路,介导肿瘤免疫逃逸。可溶性程序性死亡配体1(soluble programmed death ligand 1,sPD-L1)是PD-L1的一种存...