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Spine
Diagnosis
Neoplasms, Cysts, and Other Masses
Vascular
Vascular Miscellaneous
Spinal Artery Aneurysm
Spinal Artery Aneurysm
Jeffrey S. Ross, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Definitions

              • Fusiform or saccular dilatation of artery supplying spinal cord, particularly anterior spinal artery (ASA) but including radiculomedullary branches

            IMAGING

            • General Features

              • MR Findings

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • Staging, Grading, & Classification

                      • Gross Pathologic & Surgical Features

                        CLINICAL ISSUES

                        • Presentation

                          • Treatment

                            DIAGNOSTIC CHECKLIST

                            • Consider

                              Selected References

                              1. Smith G et al: Anterior spinal artery aneurysm presenting with spinal subarachnoid hemorrhage in a case of polyarteritis nodosa. Clin Imaging. 56:108-13, 2019
                              2. Renieri L et al: Spinal artery aneurysms: clinical presentation, radiological findings and outcome. J Neurointerv Surg. 10(7):644-8, 2018
                              3. Pahl FH et al: Spontaneous resolution of an isolated cervical anterior spinal artery aneurysm after subarachnoid hemorrhage. Surg Neurol Int. 5:139, 2014
                              4. Madhugiri VS et al: Spinal aneurysms: clinicoradiological features and management paradigms. J Neurosurg Spine. 19(1):34-48, 2013
                              5. Niimi Y et al: Spinal arteriovenous metameric syndrome: clinical manifestations and endovascular management. AJNR Am J Neuroradiol. 34(2):457-63, 2013
                              6. Yang JS et al: Vascular complications from anterior spine surgery in three patients with Ehlers-Danlos syndrome. Spine (Phila Pa 1976). 34(4):E153-7, 2009
                              7. Longatti P et al: Bleeding spinal artery aneurysms. J Neurosurg Spine. 8(6):574-8, 2008
                              8. Lavoie P et al: Selective treatment of an anterior spinal artery aneurysm with endosaccular coil therapy. Case report. J Neurosurg Spine. 6(5):460-4, 2007
                              9. Berlis A et al: Solitary spinal artery aneurysms as a rare source of spinal subarachnoid hemorrhage: potential etiology and treatment strategy. AJNR Am J Neuroradiol. 26(2):405-10, 2005
                              10. Gonzalez LF et al: Spontaneous spinal subarachnoid hemorrhage secondary to spinal aneurysms: diagnosis and treatment paradigm. Neurosurgery. 57(6):1127-31; discussion 1127-31, 2005
                              11. Morishita K et al: Anatomical study of blood supply to the spinal cord. Ann Thorac Surg. 76(6):1967-71, 2003
                              12. Chen CC et al: Aneurysms of the lateral spinal artery: report of two cases. Neurosurgery. 48(4):949-53; discussion 953-4, 2001
                              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

                                        TERMINOLOGY

                                        • Definitions

                                          • Fusiform or saccular dilatation of artery supplying spinal cord, particularly anterior spinal artery (ASA) but including radiculomedullary branches

                                        IMAGING

                                        • General Features

                                          • MR Findings

                                            • Imaging Recommendations

                                              DIFFERENTIAL DIAGNOSIS

                                                PATHOLOGY

                                                • Staging, Grading, & Classification

                                                  • Gross Pathologic & Surgical Features

                                                    CLINICAL ISSUES

                                                    • Presentation

                                                      • Treatment

                                                        DIAGNOSTIC CHECKLIST

                                                        • Consider

                                                          Selected References

                                                          1. Smith G et al: Anterior spinal artery aneurysm presenting with spinal subarachnoid hemorrhage in a case of polyarteritis nodosa. Clin Imaging. 56:108-13, 2019
                                                          2. Renieri L et al: Spinal artery aneurysms: clinical presentation, radiological findings and outcome. J Neurointerv Surg. 10(7):644-8, 2018
                                                          3. Pahl FH et al: Spontaneous resolution of an isolated cervical anterior spinal artery aneurysm after subarachnoid hemorrhage. Surg Neurol Int. 5:139, 2014
                                                          4. Madhugiri VS et al: Spinal aneurysms: clinicoradiological features and management paradigms. J Neurosurg Spine. 19(1):34-48, 2013
                                                          5. Niimi Y et al: Spinal arteriovenous metameric syndrome: clinical manifestations and endovascular management. AJNR Am J Neuroradiol. 34(2):457-63, 2013
                                                          6. Yang JS et al: Vascular complications from anterior spine surgery in three patients with Ehlers-Danlos syndrome. Spine (Phila Pa 1976). 34(4):E153-7, 2009
                                                          7. Longatti P et al: Bleeding spinal artery aneurysms. J Neurosurg Spine. 8(6):574-8, 2008
                                                          8. Lavoie P et al: Selective treatment of an anterior spinal artery aneurysm with endosaccular coil therapy. Case report. J Neurosurg Spine. 6(5):460-4, 2007
                                                          9. Berlis A et al: Solitary spinal artery aneurysms as a rare source of spinal subarachnoid hemorrhage: potential etiology and treatment strategy. AJNR Am J Neuroradiol. 26(2):405-10, 2005
                                                          10. Gonzalez LF et al: Spontaneous spinal subarachnoid hemorrhage secondary to spinal aneurysms: diagnosis and treatment paradigm. Neurosurgery. 57(6):1127-31; discussion 1127-31, 2005
                                                          11. Morishita K et al: Anatomical study of blood supply to the spinal cord. Ann Thorac Surg. 76(6):1967-71, 2003
                                                          12. Chen CC et al: Aneurysms of the lateral spinal artery: report of two cases. Neurosurgery. 48(4):949-53; discussion 953-4, 2001