肿瘤标志物 (ｔｕｍｏｒｍａｒｋｅｒ)是指肿瘤细胞所具有的或受肿瘤细胞刺激后宿主细胞所产生的一类物质。这些物质有的不存在于正常人体而只见于胚胎中 ,有的在肿瘤病人体内含量超过正常人体内含量。通过测定其存在或含量 ,可辅助肿瘤诊断、分析病程、指导治疗、监测复发或转 Tumor markers (tumor markers) refers to a type of material that a tumor cell possesses or is produced by a host cell upon stimulation by a tumor cell. Some of these substances do not exist in the normal human and found only in embryos, and some in the tumor patient’s body content than normal body content. By measuring its presence or content, it can aid in the diagnosis of tumors, analysis of disease course, treatment guidance, monitoring of relapse or metastasis