\n\n
肿瘤标志物的解读同其他化验指标类似,当这些指标数值超出正常范围时,提示该指标异常可能与肿瘤相关。不断有研究表明,其数值的高低及变化趋势与肿瘤的发生、发展及治疗反应相关,因而,也被用于帮助观察肿瘤治疗的疗效、判断其预后,检测肿瘤有无复发,指导后续治疗等。
\n\n肿瘤标志物非常之多,“证据”的可靠性各不相同。肿瘤的诊断依赖于患者的临床病史(主观描述)及辅助检查(客观结果)。检查包括影像学检查、化学检查、细胞及组织病理学检查等,后两者均以肿瘤标志物为主要观察指标。
\n\n虽然病理学检查是诊断肿瘤的“金标准”,但往往获取细胞及组织对人体带来的创伤要远远大于抽血化验,也因此医患双方才对血清肿瘤标志物寄予厚望。
\n\n化验单中常见的血清肿瘤标志物包括胚胎性肿瘤标志物[甲胎蛋白 AFP(alpha fetoprotein)、癌胚抗原 CEA(carcino-embryonic antigen)]、酶类标志物 [ 前列腺特异抗原 PSA(prostate specific antigen)]、癌抗原标志物 [CA199(cancer antigen 199)、CA125(cancer antigen 125)] 等。
\n\n 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