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ASVD Fusiform Aneurysm
Anne G. Osborn, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Abbreviations

            • Atherosclerotic vascular disease fusiform aneurysm (ASVD FA)
          • Synonyms

            • Giant fusiform aneurysm, megacolichobasilar artery
          • Definitions

            • ASVD → abnormal dilation, tortuosity of intracranial arteries
              • Aneurysms with separate inflow, outflow ostia

          IMAGING

          • General Features

            • CT Findings

              • MR Findings

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      • Gross Pathologic & Surgical Features

                        CLINICAL ISSUES

                        • Presentation

                          • Demographics

                            • Natural History & Prognosis

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Liu J et al: Basi-parallel anatomic scanning (BPAS-MRI) compared with high-resolution MRI for the diagnosis of vertebrobasilar artery abnormalities. Eur J Radiol. 123:108791, 2020
                                    2. Wagner A et al: Fusiform aneurysms of the vertebrobasilar complex: a single-center series. Acta Neurochir (Wien). 162(6):1343-51, 2020
                                    3. Kern KC et al: Vessel wall imaging of cerebrovascular disorders. Curr Treat Options Cardiovasc Med. 21(11):65, 2019
                                    4. Sindeev S et al: Evaluation of flow changes after telescopic stenting of a giant fusiform aneurysm of the vertebrobasilar junction. Biomed Eng Online. 18(1):82, 2019
                                    5. Zhang H et al: Treatment of symptomatic dolichoectatic vertebrobasilar aneurysms: A single-center experience with 12 patients. World Neurosurg. 119:e407-16, 2018
                                    6. Serrone JC et al: Vertebrobasilar fusiform aneurysms. Neurosurg Clin N Am. 25(3):471-84, 2014
                                    7. Munich SA et al: The Pipeline Embolization Device for the treatment of posterior circulation fusiform aneurysms: lessons learned at a single institution. J Neurosurg. 121(5):1077-84, 2014
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Clinical Issues

                                          • Diagnostic Checklist

                                            TERMINOLOGY

                                            • Abbreviations

                                              • Atherosclerotic vascular disease fusiform aneurysm (ASVD FA)
                                            • Synonyms

                                              • Giant fusiform aneurysm, megacolichobasilar artery
                                            • Definitions

                                              • ASVD → abnormal dilation, tortuosity of intracranial arteries
                                                • Aneurysms with separate inflow, outflow ostia

                                            IMAGING

                                            • General Features

                                              • CT Findings

                                                • MR Findings

                                                  • Imaging Recommendations

                                                    DIFFERENTIAL DIAGNOSIS

                                                      PATHOLOGY

                                                      • General Features

                                                        • Gross Pathologic & Surgical Features

                                                          CLINICAL ISSUES

                                                          • Presentation

                                                            • Demographics

                                                              • Natural History & Prognosis

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Liu J et al: Basi-parallel anatomic scanning (BPAS-MRI) compared with high-resolution MRI for the diagnosis of vertebrobasilar artery abnormalities. Eur J Radiol. 123:108791, 2020
                                                                      2. Wagner A et al: Fusiform aneurysms of the vertebrobasilar complex: a single-center series. Acta Neurochir (Wien). 162(6):1343-51, 2020
                                                                      3. Kern KC et al: Vessel wall imaging of cerebrovascular disorders. Curr Treat Options Cardiovasc Med. 21(11):65, 2019
                                                                      4. Sindeev S et al: Evaluation of flow changes after telescopic stenting of a giant fusiform aneurysm of the vertebrobasilar junction. Biomed Eng Online. 18(1):82, 2019
                                                                      5. Zhang H et al: Treatment of symptomatic dolichoectatic vertebrobasilar aneurysms: A single-center experience with 12 patients. World Neurosurg. 119:e407-16, 2018
                                                                      6. Serrone JC et al: Vertebrobasilar fusiform aneurysms. Neurosurg Clin N Am. 25(3):471-84, 2014
                                                                      7. Munich SA et al: The Pipeline Embolization Device for the treatment of posterior circulation fusiform aneurysms: lessons learned at a single institution. J Neurosurg. 121(5):1077-84, 2014