Demographics and anatomic characteristics of falcine sinuses
| Case No. | Age (yr) | Sex | Straight Sinus | Congenital Anomaly | Sinus Occlusion | SSS | Other Brain Imaging | Cause of CTA | Remark |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 37 | M | Absent | No | No | Normal | Screening | Duplication | |
| 2 | 40 | M | Absent | No | No | Normal | MR imaging, DSA | SAH | |
| 3 | 78 | F | Absent | No | No | Normal | F/U aneurysm | ||
| 4 | 39 | M | Rudimentary | No | No | Normal | Headache | Duplication | |
| 5 | 49 | F | Rudimentary | No | No | Normal | Screening | ||
| 6 | 54 | F | Rudimentary | No | No | Normal | ICH | ||
| 7 | 61 | F | Rudimentary | No | No | Normal | Screening | Duplication | |
| 8 | 77 | M | Rudimentary | No | No | Normal | ICH | ||
| 9 | 20 | F | Normal | Dysplastic tentorium, malposition of SSS | No | Normal | MR imaging, DSA | Abnormality on brain MR imaging | |
| 10 | 43 | F | Normal | No | No | Normal | Screening | Duplication | |
| 11 | 52 | M | Normal | No | No | Normal | Headache | ||
| 12 | 56 | F | Normal | No | No | Normal | Screening | Direct drainage of ISS |