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Vertebral Artery Fenestration
Kevin R. Moore, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Definitions

                • Arterial fenestration: Division of artery into 2 parallel vessels following same course
                • Arterial duplication: Division of artery into 2 distinct vessels following different courses

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Morita T et al: An operated case of a ruptured aneurysm arising from fenestration of the vertebral artery. No Shinkei Geka. 40(3):221-7, 2012
                                    2. Uchino A et al: Vertebral artery variations at the C1-2 level diagnosed by magnetic resonance angiography. Neuroradiology. 54(1):19-23, 2012
                                    3. Albanese E et al: Fenestrated vertebrobasilar junction aneurysm: diagnostic and therapeutic considerations. J Neurosurg. 110(3):525-9, 2009
                                    4. Kim DW: Concomitant dual origin and fenestration of the left vertebral artery resembling dissection. J Korean Neurosurg Soc. 46(5):498-500, 2009
                                    5. Yamazaki M et al: Abnormal course of the vertebral artery at the craniovertebral junction in patients with Down syndrome visualized by three-dimensional CT angiography. Neuroradiology. 50(6):485-90, 2008
                                    6. Bernard TJ et al: An 18-year-old man with fenestrated vertebral arteries, recurrent stroke and successful angiographic coiling. J Neurol Sci. 260(1-2):279-82, 2007
                                    7. Siclari F et al: Developmental anatomy of the distal vertebral artery in relationship to variants of the posterior and lateral spinal arterial systems. AJNR Am J Neuroradiol. 28(6):1185-90, 2007
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Pathology

                                            • Clinical Issues

                                              • Diagnostic Checklist

                                                TERMINOLOGY

                                                • Definitions

                                                  • Arterial fenestration: Division of artery into 2 parallel vessels following same course
                                                  • Arterial duplication: Division of artery into 2 distinct vessels following different courses

                                                IMAGING

                                                • General Features

                                                  • CT Findings

                                                    • MR Findings

                                                      DIFFERENTIAL DIAGNOSIS

                                                        PATHOLOGY

                                                        • General Features

                                                          • Gross Pathologic & Surgical Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Morita T et al: An operated case of a ruptured aneurysm arising from fenestration of the vertebral artery. No Shinkei Geka. 40(3):221-7, 2012
                                                                      2. Uchino A et al: Vertebral artery variations at the C1-2 level diagnosed by magnetic resonance angiography. Neuroradiology. 54(1):19-23, 2012
                                                                      3. Albanese E et al: Fenestrated vertebrobasilar junction aneurysm: diagnostic and therapeutic considerations. J Neurosurg. 110(3):525-9, 2009
                                                                      4. Kim DW: Concomitant dual origin and fenestration of the left vertebral artery resembling dissection. J Korean Neurosurg Soc. 46(5):498-500, 2009
                                                                      5. Yamazaki M et al: Abnormal course of the vertebral artery at the craniovertebral junction in patients with Down syndrome visualized by three-dimensional CT angiography. Neuroradiology. 50(6):485-90, 2008
                                                                      6. Bernard TJ et al: An 18-year-old man with fenestrated vertebral arteries, recurrent stroke and successful angiographic coiling. J Neurol Sci. 260(1-2):279-82, 2007
                                                                      7. Siclari F et al: Developmental anatomy of the distal vertebral artery in relationship to variants of the posterior and lateral spinal arterial systems. AJNR Am J Neuroradiol. 28(6):1185-90, 2007