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目的解剖4例Dandy-Walker综合征的胎儿,了解该综合征的解剖学改变及合并畸形。方法 B超确诊先天性Dandy-Walker畸形变异型引产后,尸体解剖证实明确诊断。结果 2例见第四脑室积液,1例见后颅窝囊肿,2例合并心脏畸形,3例骨骼系统畸形。结论 Dandy-Walker畸形是一种非特异性的神经系统发育畸形,常合并有神经系统外畸形,产前超声能有效诊断Dandy-Walker畸形,并应对其他系统作详细检查,特别应重视心血管系统和骨骼系统的检查。
Objective To dissect 4 fetuses with Dandy-Walker syndrome and to understand the anatomic changes and combined deformities of this syndrome. Methods B-diagnosed congenital Dandy-Walker deformity variant induced abortion, the autopsy confirmed a clear diagnosis. Results In 2 cases, the effusion of the fourth ventricle was seen. One case had posterior fossa cysts, two cases had cardiac deformity and three cases had skeletal system deformity. Conclusion Dandy-Walker deformity is a nonspecific neurodevelopmental deformity, often associated with extranodal deformities. Prenatal ultrasound can effectively diagnose Dandy-Walker deformity, and should be examined in detail for other systems. Particular attention should be paid to the cardiovascular system and Skeletal system check.