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水泡状胎块的发生原因,目前尚不清楚。有不少说法,归纳以下几点:(1)营养缺乏;(2)卵巢功能紊乱,产生卵子异常或卵巢激素分泌失调;(3)孕卵受病毒侵袭;(4)染色体变异;(5)免疫问题。各有一定根据,尚待进一步证实。水泡状胎块在我国发病率高,按江氏统计为0.8％,本病可能引起严重并发症,常见有大出血、子宫穿破、感染及肺栓塞。据文献报导约5～20％发生恶性变化,转变为绒毛膜上皮癌。因此,对水泡状胎块的早期发现和诊断尤为重要。由于超声诊断的进展,对水泡状胎块的早期诊断提供了重要依据,成为临床一种简单、方便、无痛苦而有价值的辅助诊断方法。
The cause of the blister-shaped block is not yet clear. There are many views to summarize the following: (1) lack of nutrition; (2) ovarian dysfunction, resulting in abnormal ovum or ovarian hormone secretion disorders; (3) infected by the virus; (4) chromosomal variation; (5) Immune problems. Each has its own basis, yet to be further confirmed. Blister-shaped births in our country a high incidence, according to Jiang’s statistics was 0.8%, the disease may cause serious complications, common bleeding, uterine perforation, infection and pulmonary embolism. According to the literature about 5 to 20% of malignant changes, into choriocarcinoma. Therefore, the early detection and diagnosis of blister-shaped blocks is particularly important. Due to the progress of ultrasound diagnosis, it provides an important basis for early diagnosis of blister-shaped blocks and becomes a clinically simple, convenient, painless and valuable auxiliary diagnosis method.