Summary of CCA and 3D dynamic MR-DSA findings
| Parameters | CCA | 3D dynamic MR-DSA |
|---|---|---|
| Detection of nidus | 19/19 | 19/19 |
| Size of nidus | ||
| <3 cm | 14/19 | 14/19 |
| 3–6 cm | 4/19 | 4/19 |
| >6 cm | 1/19 | 1/19 |
| Venous drainage | ||
| superficial | 8/19 | 7/19 |
| deep | 3/19 | 3/19 |
| deep and superficial | 8/19 | 9/19 |