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目的探讨产前超声检查在Dandy-Walker畸形诊断中的应用价值。方法对产前超声诊断的15例胎儿Dandy-Walker畸形的声像图特征进行回顾性分析,随访临床结果。结果产前诊断的15例胎儿Dandy-Walker畸形均与引产后的病理结果一致,超声诊断准确率100%(15/15)。典型声像图特征:小脑蚓部全部或部分缺失、第四脑室和后颅窝池增宽。12例患者伴发颅脑以外畸形(其中心脏畸形6例,单脐动脉3例,2例多囊肾,1例多指)。结论产前超声检查可以有效检出Dandy-Walker畸形,具有重要的临床应用价值。
Objective To investigate the value of prenatal ultrasonography in the diagnosis of Dandy-Walker malformation. Methods Fifteen cases of fetal Dandy-Walker malformations diagnosed by prenatal ultrasound were retrospectively analyzed. The clinical results were followed up. Results The prenatal diagnosis of 15 cases of fetus Dandy-Walker deformity were consistent with the pathological findings after induction of labor, ultrasound diagnostic accuracy rate of 100% (15/15). Typical sonographic features: all or part of cerebellar vermis missing, fourth ventricle and posterior fossa pool broadened. Twelve patients had congenital craniocerebral malformations (including 6 cases of cardiac malformations, 3 cases of single umbilical artery, 2 cases of polycystic kidney disease and 1 case of multiple fingers). Conclusion Prenatal ultrasound can detect Dandy-Walker deformity effectively and has important clinical value.