Restricted accessResearch articleFirst published online 2014-1
Bilateral Segmental Agenesis of Carotid and Vertebral Arteries with Rete Mirabile and the Prominent Anterior and Posterior Spinal Arteries as Compensations
Agenesis of carotid or vertebrobasilar arteries with rete formation is rare. The anterior spinal artery or posterior spinal arteries supplying the posterior circulation with steno-occlusion or agenesis of bilateral vertebral arteries is also uncommon. Here, we describe a very rare case of concomitant segmental agenesis of bilateral carotid and vertebral arteries with collateral compensations from the prominent anterior spinal artery and posterior spinal arteries, as well as some transdural arterial networks which were considered a rete mirabile. We discuss its embryological and anatomic significance.
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