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目的观察无心畸形胎儿的临床病理特点,并对其发生进行分析。方法对3例无心畸形胎儿的临床表现、外形和内脏结构以及胎盘形态进行观察与分析。结果 3例无心畸形胎儿均来自于双胎,均为无头和单体腔,可见发育不良的肠管,以及肾脏,其他脏器为:性腺与内生殖器1例,肾上腺和胰腺1例,胎盘为单绒毛膜型,2例有大血管吻合,均为单脐动脉。结论无心畸形胎儿有多种形态,其发生与双胎胎盘的血管吻合有密切关系。
Objective To observe the clinicopathological characteristics of unborn-deformity fetus and to analyze its occurrence. Methods The clinical manifestations, appearance, visceral structure and placental morphology of 3 unborn-deformity fetuses were observed and analyzed. Results All 3 cases of unmachined fetuses were from twins, both of which had no head and single cavity, showing dysplastic bowel and kidney. The other organs were gonadal and internal genital in 1 case, adrenal and pancreas in 1 case, placenta Single chorionic, 2 cases of large anastomosis, are single umbilical artery. Conclusion There are many forms of unborn-deformity fetus, and its occurrence is closely related to the vascular anastomosis of twin fetuses.