包虫囊状的
Half of choriocarcinomas arise in preceding hydatidiform moles. 一半的绒毛膜癌发生于葡萄胎后。
The grape-like villi of a hydatidiform mole are seen here. 图示的是葡萄胎由类似于葡萄状的绒毛状物构成。
Much less common than hydatidiform mole is choriocarcinoma, seen here. 绒毛膜癌比葡萄胎少见，如图所示。
Objective: To investigate the presence of Y chromosome in hydatidiform mole (HM) and its genetic significance. 目的：探讨Y染色体在葡萄胎中的出现率及其遗传学意义。
Patients with a hydatidiform mole are often large for dates and have hyperemesis gravidarum more frequently. 病人看起来常比同期正常孕妇子宫大，常伴妊娠剧吐。
