Flow void, stenosis, or absence of venous sinuses detected in 9 neonates who have had coronal 2D time-of-flight MR venography (TOF MRV) and CT venography (CTV)
| Coronal 2D TOF MRV ON MIP Images | Coronal 2D TOF MRV on Source Images | CTV | ||
|---|---|---|---|---|
| Superior sagittal sinus | Narrowing | 2 | 2 | 2 |
| Flow gap | 6 | 3 | 0 | |
| Right transverse sinus | Flow gap | 3 | 2 | 0 |
| Absent | 1 | 1 | 1 | |
| Left transverse sinus | Flow gap | 6 | 4 | 0 |
| Right sigmoid sinus | Flow gap | 3 | 2 | 0 |
| Left sigmoid sinus | Flow gap | 2 | 1 | 0 |
| Right internal jugular vein | Flow gap | 0 | 0 | 0 |
| Left internal jugular vein | Flow gap | 0 | 0 | 0 |
Note:—MIP indicates maximum intensity projections.