فهرست نشریات علمی دسترسی آزاد ایران

Results: After transabdominal sonographic examination of 22500 pregnant women, 112 (0.5%) fetuses were detected with CNS anomalies, some of whom had more than one anomaly. Forty-one (37%) Chiari malformations, 26 (23%) monro and aqueductal stenosis cases, 18 (16%) anencephaly cases, nine (8%) encephaloceles, seven (6%) microcephalies, five (4%) Dandywalker syndromes, two (2%) arachnoid cysts, two (2%) agenesis of corpus callosum cases, one (1%) holoprosencephaly and one (1%) schizencephaly were reported in our study. Conclusion: According to our results, Chiari malformation and hydrocephalus were the most prevalent anomalies of CNS congenital abnormalities in East Azarbaijan, Iran. An accurate diagnosis depends upon fetal age, amniotic fluid volume, fetal position, operator experience and careful evaluation for associated malformations, which are often present.