Table 1.
Literature reports of concomitant agenesis of carotid and vertebrobasilar arteries with rete formation.
| Author | Age | Gender | ICA agenesis |
Vertebrobasilar arteries agenesis |
Blood supply of vertebrobasilar rete |
| Itoyama et al. | 40 | M | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
V3 and V4 muscular branches of bilateral VAs |
| Hyogo et al. | 37 | F | Bilateral ICAs | Proximal V4 segment of right VA |
V4 segment of right VA |
| Mahadevan et al. | 39 | F | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
ASA, lateral spinal artery, PICA |
| Weon et al. | 14 | F | Bilateral ICAs | V4 segment of bilateral VAs | Proximal BA |
| Kim et al. | 38 | M | Bilateral ICAs | BA | V3 and V4 meningeal branches of bilateral VAs |
| Li et al. | 57 | F | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
ASA |
| Sahin et al. | 32 | M | Bilateral ICAs | Proximal BA | V4 segment of bilateral VAs |
| Castro et al. | 34 | F | Bilateral ICAs | Distal BA | Collaterals between PICAs and SCAs |
| Hong et al. | 45 | F | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
ASA, V3 muscular branches of bilateral VAs |
| Lee and Cha | 28 | M | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
ASA, V4 segment of bilateral VAs |
| Present case | 18 | F | Bilateral ICAs | Transdural segment (V3/V4) of bilateral VAs |
ASA, PSAs, an occipital branch of right ECA |