Research Article

Prenatal Diagnosis of Central Nervous System Anomalies by High-Resolution Chromosomal Microarray Analysis

Table 3

The types of fetal CNS anomalies and pathogenic CNVs incidence.

CNS anomalies classificationNumber of fetusesNumber of fetuses with pathogenic CNVs

Anencephaly10
Exencephaly10
Dandy-Walker syndrome62 (33.3%)
Holoprosencephaly72 (28.6%)
Spinal bifida90
Intracranial tumor (ICT)10
Hydrocephaly81 (12.5%)
Schizencephaly 10
Agenesis of the corpus callosum (ACC)20
Choroid plexus cyst20
Arachnoid cyst20
Cerebellar hypoplasia10
Subependymal cyst10
Encephalocele/meningoceles10
Other CNS malformation30

Total465 (10.9%)