Surgical and Radiologic Anatomy

, Volume 37, Issue 1, pp 115–118 | Cite as

Fusiform aneurysm of a persistent trigeminal artery associated with rare intracranial arterial variations and subarachnoid hemorrhage

  • David Kimball
  • Horia Ples
  • Heather Kimball
  • Gratian D. Miclaus
  • Petru Matusz
  • Marios LoukasEmail author
Anatomic Variations


The trigeminal artery is one of four primitive anastomoses between the internal carotid artery and vertebrobasilar system that regresses in the sixth week of fetal development. A persistent trigeminal artery (PTA) is generally an incidental finding but may also be associated with intracranial vascular pathologies such as aneurysms, arteriovenous malformations, and cranial nerve compression syndromes. We present an extremely rare case of a right PTA with an associated bleeding fusiform aneurysm located in the carotidian (lateral) part of the PTA. In addition, this rare anatomic variation was associated with bilateral absence of the posterior communicating arteries, a left posterior cerebral artery originating from the left internal carotid artery, and agenesis of the A1 segment of the left anterior cerebral artery.


Persistent trigeminal artery Fusiform aneurysm Subarachnoid hemorrhage Anatomy Variation 


Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag France 2014

Authors and Affiliations

  • David Kimball
    • 1
  • Horia Ples
    • 2
    • 3
  • Heather Kimball
    • 1
  • Gratian D. Miclaus
    • 3
    • 4
  • Petru Matusz
    • 4
  • Marios Loukas
    • 1
    • 5
    Email author
  1. 1.Department of Anatomical Sciences, School of MedicineSt. George’s UniversitySt. GeorgeGrenada, West Indies
  2. 2.Department of Neurosurgery“Victor Babes” University of Medicine and PharmacyTimisoaraRomania
  3. 3.Neuromed Diagnostic Imaging CentreTimisoaraRomania
  4. 4.Department of Anatomy“Victor Babes” University of Medicine and PharmacyTimisoaraRomania
  5. 5.Department of AnatomyMedical School Varmia and MazuriaOlsztynPoland

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