Table 3 Distribution of the feeding arteries of MCA-BAVMs
Feeding artery | Rate | BAVM classification |
|---|---|---|
LSA | 9.6% (13/135) | Type I |
LSA + A1 | 0.7% (1/135) | |
LSA + M2 | 1.5% (2/135) | Type I and II |
M2 + M3 | 4.4% (6/135) | Type II |
M3 | 3% (4/135) | |
M3 + LSA | 0.7% (1/135) | |
M3 + M4 | 5.9% (8/135) | Type II and IIIa |
M4 | 37% (50/135) | Type IIIa |
M4 + M3 + MMA | 0.7% (1/135) | Type IIIb |
M4 + M3 + PCA + MMA | 1.5% (2/135) | |
M4 + AchA | 1.5% (2/135) | |
M4 + ACA | 5.2% (7/135) | |
M4 + ACA + LSA | 4.4% (6/135) | |
M4 + ACA + LSA + PCA | 0.7% (1/135) | |
M4 + ACA + MMA | 2.2% (3/135) | |
M4 + ACA + PCA | 1.5% (2/135) | |
M4 + MMA | 0.7% (1/135) | |
M4 + PCA | 17% (23/135) | |
M4 + PCA + MMA | 1.5% (2/135) |