Bilateral Persistent Trigeminal Artery Variants Diagnosed by MR Angiography

  title={Bilateral Persistent Trigeminal Artery Variants Diagnosed by MR Angiography},
  author={Akira Uchino},
  journal={The Cerebellum},
A persistent trigeminal artery (PTA) is the most common anastomosis between the carotid and vertebrobasilar system. A PTA variant (PTAV) is a rare anomaly in which the cerebellar artery arises from the internal carotid artery (ICA) without connection with the basilar artery (BA). I present what I believe is the first report of bilateral PTAVs diagnosed using magnetic resonance (MR) angiography and briefly discuss the embryology of this rare anomaly. An 81-year-old woman with small infarctions… CONTINUE READING
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