Table 2 Characteristics of 46 medial sphenoid wing meningiomas
Variables | N (%) |
|---|---|
Side | |
Left | 21 (45.7) |
Right | 25 (54.3) |
Tumor volume (cm3), mean ± SD (range) | |
< 20 | 9.3 ± 6.0 (0.8–19.5) |
20–50 | 29.9 ± 9.9 (20.2–49.9) |
> 50 | 89.3 ± 39.9 (50.5–171.9) |
Total cases of arterial involvement | 39 (84.8) |
Total cases of multiple arterial involvement | 24 (52.1) |
Location of arterial involvement | |
C4 | 21 (45.7) |
C5 | 16 (34.8) |
M1 | 21 (45.7) |
M2 | 8 (17.4) |
A1 | 10 (21.7) |
A2 | 1 (2.2) |
Cavernous sinus involvement | 23 (50.0) |
Bone invasion | 10 (21.7) |