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脐带解剖异常的产前诊断及其临床意义 被引量:8

脐带解剖异常的产前诊断及其临床意义
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摘要 本文就脐带异常的产前诊断及临床意义做一总结。 1脐血管异常 1.1单脐动脉(single umbilical artery,SUA)单脐动脉是指脐带内只有一条脐动脉,其发病率约为1%,其中左侧缺失占70%,右侧占30%。声像图像的特征是在脐带横断面仅见到两个管腔,其中一个较大的为脐静脉,另一个稍小的为脐动脉。脐带长轴面则变成了一条脐静脉与一条脐动脉相间,在膀胱水平切面彩超仅见一侧显示脐动脉血流,另一侧缺如。与正常脐动脉相比单脐动脉的管腔稍大。
出处 《中国实用妇科与产科杂志》 CAS CSCD 北大核心 2012年第10期784-786,共3页 Chinese Journal of Practical Gynecology and Obstetrics
关键词 单脐动脉 持续性右脐静脉 脐静脉曲张 脐带血肿 脐带囊肿 脐带肿瘤 single umbilical artery persistent right umbilical vein umbilical vein varix umbilical cord hematoma umbili-cal cord cyst umbilical cord tumors
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