Prevalence of transverse sinus stenosis and hypoplasia among the 355 included patients
| N (%) | |
|---|---|
| Unilateral left transverse sinus | |
| Stenosis | 45 (13) |
| Associated with arachnoid granulation | 33 (73) |
| Hypoplasia | 46 (13) |
| Unilateral right transverse sinus | |
| Stenosis | 18 (5) |
| Associated with arachnoid granulation | 11 (61) |
| Hypoplasia | 9 (3) |
| Bilateral transverse sinus | |
| Stenoses | 16 (5) |
| Stenosis with contralateral hypoplasia | 4 (1) |