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Vertebrobasilar System
Stella Sin Yee Ho, RDMS, RVT, PhD; Deyond Y. W. Siu, MBChB, FRCR
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Terminology

  • Abbreviations

    • Vertebral artery (VA); basilar artery (BA)
    • Superior cerebellar arteries (SCAs); posterior inferior cerebellar artery (PICA); anterior inferior cerebellar artery (AICA); posterior cerebral artery (PCA)
    • Anterior, posterior spinal arteries (ASA, PSA)
    • Cranial nerve (CN); internal auditory canal (IAC)

Gross Anatomy

  • Overview

    Imaging Anatomy

    • V3 Segment (Atlas Loop)

      • V4 Segment

        • Basilar Artery

          • Normal Variants, Anomalies

            Anatomy Imaging Issues

            • Imaging Recommendations

              Clinical Implications

              • Clinical Importance

                Related Anatomy
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                Related Differential Diagnoses
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                References
                Tables

                Tables

                Terminology

                • Abbreviations

                  • Vertebral artery (VA); basilar artery (BA)
                  • Superior cerebellar arteries (SCAs); posterior inferior cerebellar artery (PICA); anterior inferior cerebellar artery (AICA); posterior cerebral artery (PCA)
                  • Anterior, posterior spinal arteries (ASA, PSA)
                  • Cranial nerve (CN); internal auditory canal (IAC)

                Gross Anatomy

                • Overview

                  Imaging Anatomy

                  • V3 Segment (Atlas Loop)

                    • V4 Segment

                      • Basilar Artery

                        • Normal Variants, Anomalies

                          Anatomy Imaging Issues

                          • Imaging Recommendations

                            Clinical Implications

                            • Clinical Importance