Power of cone beam CT fusion to understand vascular supply

Fusion of anterior and posterior spinal arterial supply

Posterior 3DRA. Siemens Icono, 7 second single spin “micro” no binning. Injection 1cc/sec for 10 cc 3 second delay

Anterior Spinal. Siemens Icono 14 sec “micro” no binning FOV 22 cm. Injection 1 cc/sec for 20 cc 6 sec delay.

Fusions. Why is there so much supply of the posterior spinal territory by the anterior spinal artery?

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