Aneurysms of the Vertebral Artery

  • Michael Salcman
  • Roberto C. Heros
  • Edward R. LawsJr.
  • Volker K. H. Sonntag


Aneurysms of the vertebral artery are commonly found at the origin of the posterior inferior cerebellar artery (PICA). Other locations include the distal PICA and the vertebral junction. Rarely, a more proximal vertebral artery aneurysm can present in the spinal canal and lie beneath the highest denticulate ligament, which has to be transected to expose the lesion. Vertebral-PICA aneurysms usually present with subarachnoid hemorrhage, but large lesions can compress the lower cranial nerves or brain stem (Fig. 30-1).


Vertebral Artery Posterior Fossa Posterior Inferior Cerebellar Artery Occipital Condyle Lower Cranial Nerve 
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Copyright information

© Springer-Verlag New York, Inc. 2004

Authors and Affiliations

  • Michael Salcman
    • 1
  • Roberto C. Heros
    • 2
  • Edward R. LawsJr.
    • 3
  • Volker K. H. Sonntag
    • 4
    • 5
  1. 1.Sinai HospitalBaltimoreUSA
  2. 2.Department of Neurological SurgeryUniversity of Miami School of MedicineMiamiUSA
  3. 3.Department of Neurological SurgeryUniversity of Virginia Health Sciences CenterCharlottesvilleUSA
  4. 4.University of ArizonaUSA
  5. 5.Barrow Neurological InstitutePhoenixUSA

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