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Prenatal diagnosis and clinical management of a twin pregnancy consisting of a complete mole and coexisting fetus
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY
- Issue:
- 10
- DOI:
- 10.3760/j.issn:0529-567X.2003.10.002
- Key Word:
- 双生;葡萄胎;原位杂交,荧光;核型分析;产前诊断
Abstract： 目的探讨双胎之一完全性葡萄胎(a twin pregnancy consisting of a complete mole and coexisting fetus,CMCF)的产前诊断及处理.方法回顾性分析2例CMCF的临床资料.结果第1例患者在孕10周时,B超发现胎儿与葡萄胎胎盘共存,患者要求终止妊娠,刮宫物间期细胞荧光原位杂交(fluorescent in situ hybridization,FISH)和核型分析提示,胎儿与葡萄胎均为二倍体,证实为CMCF.第2例患者在孕21周时,B超发现胎儿与葡萄胎胎盘共存,B超引导下经腹壁绒毛活组织检查(活检)和羊膜腔穿刺,葡萄胎和羊水的间期细胞FISH和核型分析提示,胎儿与葡萄胎均为二倍体,证实为CMCF双胎之一完全性葡萄胎,患者继续妊娠,在孕28周时胎膜早破,因继发感染而行剖宫产终止妊娠,胎儿存活,胎盘、新生儿外周血的核型分析结果与产前诊断相符.结论产前一旦发现胎儿与葡萄胎胎盘共存,应立即进行CMCF和部分性葡萄胎(partial hydatidiform mole,PHM)的鉴别,如果绒毛和羊水行间期细胞FISH和核型分析为二倍体,则为CMCF,是否继续妊娠,需采取个体化原则;如果为三倍体,则为部分性葡萄胎,应及时终止妊娠.
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