The cause may be physical ? the growth of a tumour or hydatidiform mole in the uterus ? or emotional 产生的原因可能是物理上,或肿瘤的生长,或葡萄胎,或情感上的。
Histologically , the hydatidiform mole has large avascular villi and areas of trophoblastic proliferation . of course , ultrasound confirms the diagnosis before currettage is done to evacuate this tissue seen here 组织学上,葡萄胎有粗大无血管的绒毛和增生的滋养层。超声确诊后,行清宫术。