Imaging findings in fetal schizencephaly
| Findings | Findings | ||
|---|---|---|---|
| Closed schizencephaly | 5/22 (22.7) | ICH | 11/22 (50) |
| Open schizencephaly | 16/22 (72.7) | IPH | 9/22 (40.9) |
| Both open and closed schizencephaly | 1/22 (4.5) | Intraventricular hemorrhage | 5/21 (23.8)e |
| Multiple schizencephaly | 8/22 (36.4) | Abnormal CC | 10/20 (50)d |
| Bilateral schizencephaly | 7/22 (31.8) | Absent CC | 4/10 (40) |
| Overlying membranea | 16/34 (47.1) | Hypogenetic or thin CC | 6/10 (60) |
| Median size of open defect (IQR) (mm) | 6 (3–19.5) | Abnormal SP leaflets | 7/20 (35)d |
| Lobes involved per patientb | Completely absent | 4/7 (57.1) | |
| Frontal | 13/22 (59.1) | Partially absent | 3/7 (42.8) |
| Parietal | 10/22 (45.4) | Other CM | 13/22 (59.0) |
| Temporal | 9/22 (40.9) | Polymicrogyria | 9/22 (40.9)c |
| Occipital | 11/22 (50) | PVNH | 9/22 (40.9) |
| >1 lobe involved | 11/22 (50) | Abnormal deep gray nuclei | 8/21 (38.1)e |
| Lobes involved per defectb,a | Hemorrhage | 6/8 (75) | |
| Frontal | 16/34 (47.1) | Small size | 4/8 (50) |
| Parietal | 10/34 (29.4) | Abnormal brainstem | 7/22 (31.8) |
| Temporal | 11/34 (32.3) | Hypoplastic | 4/7 (57.1) |
| Occipital | 11/34 (32.3) | Dysplastic | 1/7 (14.3) |
| >1 lobes involved | 7/34 (20.6) | Hemorrhage | 1/7 (14.3) |
| Vascular territoryb | Displaced (by cyst or schizencephaly membrane) | 2/7 (28.6) | |
| MCA | 23/34 (67.6) | Abnormal cerebellum/vermis | 10/22 (45.5) |
| PCA | 9/34 (26.5) | Hypoplastic | 8/10 (80) |
| MCA-ACA watershed | 2/34 (5.9) | Hemorrhage | 2/10 (20) |
| Ventriculomegaly | 17/22 (77.2) | Displaced (by cyst or schizencephaly membrane) | 2/10 (20) |
| Unilateral | 9/17 (52.9) | ||
| Mild | 8/17 (47.1) | ||
| Moderate | 5/17 (29.4) | ||
| Severe | 4/17 (23.5) |