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 classification | Number of fetuses | Number of fetuses with pathogenic CNVs |
| Anencephaly | 1 | 0 | Exencephaly | 1 | 0 | Dandy-Walker syndrome | 6 | 2 (33.3%) | Holoprosencephaly | 7 | 2 (28.6%) | Spinal bifida | 9 | 0 | Intracranial tumor (ICT) | 1 | 0 | Hydrocephaly | 8 | 1 (12.5%) | Schizencephaly | 1 | 0 | Agenesis of the corpus callosum (ACC) | 2 | 0 | Choroid plexus cyst | 2 | 0 | Arachnoid cyst | 2 | 0 | Cerebellar hypoplasia | 1 | 0 | Subependymal cyst | 1 | 0 | Encephalocele/meningoceles | 1 | 0 | Other CNS malformation | 3 | 0 |
| Total | 46 | 5 (10.9%) |
|
|