一般认为,当葡萄胎排出后,滋养叶细胞常持续存在于子宫内或别的部位,可达几天到几个月。大多数病人的滋养叶退化,但2～3%可发展为癌(包括相当部分的侵蚀性葡萄胎),故需要用细胞毒性药物予以治疗。细胞毒性药物治疗的标准,必须依赖HCG的检验。Charing cross医院肿瘤科随访了需用 Generally believed that when the hydatidiform mole is discharged, trophoblast cells often persist in the uterus or other parts, up to a few days to several months. Most patients have trophoblastic degeneration, but 2 ~ 3% can develop into cancer (including a considerable part of the invasive mole), it needs to be treated with cytotoxic drugs. The criteria for cytotoxic drug treatment must rely on the HCG test. Charing Cross Hospital oncology follow-up needs