滋养层母细胞性肿瘤(trophoblastic neopla-sms简称“滋母”)是一大类非常独特的肿瘤。大多与妊娠密切相关,称“妊娠性滋母”,与由生殖细胞起源、与妊娠无关的“非妊娠性滋母”相区别。 近年来报道有一些既与妊娠无关,又非生殖细胞起源的恶性肿瘤,如胃癌、食管癌、结肠癌、以及肺、肝、肾、膀胱、鼻腔等的癌,镜下可为典型的绒癌,或同时含有绒癌与腺癌的成份,且在两者之间有过渡,从瘤细胞中可测出HCG。 Trophoblastic neoplastic sarcoma (Trophoblastic neoplans sms) is a very large group of very unique tumors. Mostly associated with pregnancy, known as “gestational zygosis,” and by the germ cell origins, and pregnancy have nothing to do with the “non-gestational zygosity” phase difference. In recent years, it has been reported that there are some malignant tumors that are not related to pregnancy and not of germ cell origin, such as gastric cancer, esophageal cancer, colon cancer, and lung, liver, kidney, bladder and nasal cavity, , Or contain both choriocarcinoma and adenocarcinoma components, and there is a transition between the two, measurable HCG from the tumor cells.