Sites of involvement in 19 patients with CVST.
| Variable | n |
|---|---|
| One site | 4 |
| Superior sagittal sinus | 2 |
| Transverse | 1 |
| Sigmoid | 1 |
| Two sites | 8 |
| Superior sagittal + transverse | 1 |
| Transverse + sigmoid | 7 |
| Three or more sites | 7 |
| Superior sagittal + transverse + straight + sigmoid | 1 |
| Superior sagittal + transverse + deep veins | 1 |
| Superior sagittal + transverse + sigmoid | 5 |
| Total | 19 |