Table 2.
Number of feeders derived from the external carotid artery in the anterior skull base, sphenoid ridge, sphenopetroclival, and petrous meningiomas
| Tumor attachment | Anterior skull base | Sphenoid ridge | Sphenopetroclival | Petrous | ||||
|---|---|---|---|---|---|---|---|---|
| The number of patients (with bilateral tumor attachment) | 17 (8) | 35 (0) | 6 (0) | 37 (0) | ||||
| Laterality | T | NT | T | NT | T | NT | T | NT |
| ECA | 10 | 2 | 56 | 0 | 11 | 0 | 38 | 1 |
| APhA, carotid branch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
| APhA, jugular branch | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 |
| APhA, hypoglossal branch | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 |
| OA, mastoid branch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
| MMA, anterior division, lateral branch | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 |
| MMA, anterior division, medial branch | 4 | 1 | 20 | 0 | 3 | 0 | 1 | 0 |
| MMA, posterior division, petrosquamosal branch | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| MMA, petrosal branch | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 0 |
| Accessory meningeal artery | 0 | 0 | 7 | 0 | 2 | 0 | 6 | 0 |
| Artery of the foramen rotundum | 0 | 0 | 13 | 0 | 4 | 0 | 0 | 0 |
| Superficial temporal artery | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Sphenopalatine artery | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Middle deep temporal artery | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 0 |
T tumor side, NT non-tumor side, ECA external carotid artery, APhA ascending pharyngeal artery, OA occipital artery, MMA middle meningeal artery