Variations | No | AcoA Aplasia | AcoA Hypoplasia | AcA Aplasia | AcA Hypoplasia | PcoA Aplasia | PcoA Hypoplasia | P1 Hypoplasia | P1 Aplasia | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
References | Uni | Bi | Uni | Bi | Uni | Bi | ||||||
Alpers [14] | 350 | 2% | 3% | 0 | 2% | 0.6% | 0 | 13.5% | 9% | 11%1 | 3.71%1 | |
Fawcett [17] | 700 | 0.14% | - | - | - | 3.2% | 0.4% | 21.5% | 0.7% | 42%1 | 0.14%1 | - |
Riggs & Rupp [18] | 994 | 27% | 16% | 21% | 30% | 16% | 6% | - | ||||
Windle [21] | 200 | 1.5% | - | - | - | 11% | 1.5% | 21.5% | 3.5% | 10%1 | 2%1 | |
El khamlichi Et al [22] | 100 | 32% | 4% | 25% | 35% | 14% | 1% | - | ||||
Fisher [23] | 414 | 29% | 13% | 32% | 49% | 22% | 7% | |||||
Lazorthes et al [25] | 200 | 29.5% | 7.5% | 29.5% | 40% | 7.5% | 4.5% | - | ||||
Puchades [36] | 62 | 3.2% | 6.4% | 0.8% | 6.4% | 2.4%2 | 51.6% | 11.3% | 11.3%1 | 2.4% | ||
Present study | 102 | 1% | 11% | - | 1% | 7% | 3% | 27% | 33% | 7% | - |