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Petrous Apex Internal Carotid Artery Aneurysm
H. Ric Harnsberger, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Definitions

              • Rare congenital or acquired aneurysm of petrous internal carotid artery (ICA)

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Angiographic Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Image Interpretation Pearls

                                          Selected References

                                          1. Shapiro M et al: Toward an endovascular internal carotid artery classification system. AJNR Am J Neuroradiol. 35(2):230-6, 2014
                                          2. Endo H et al: Simultaneous occurrence of subarachnoid hemorrhage and epistaxis due to ruptured petrous internal carotid artery aneurysm: association with transsphenoidal surgery and radiation therapy: case report. Neurol Med Chir (Tokyo). 51(3):226-9, 2011
                                          3. Malikov S et al: Open surgical reconstruction of the internal carotid artery aneurysm at the base of the skull. J Vasc Surg. 51(2):323-9, 2010
                                          4. Liu JK et al: Aneurysms of the petrous internal carotid artery: anatomy, origins, and treatment. Neurosurg Focus. 17(5):E13, 2004
                                          5. Depauw P et al: Endovascular treatment of a giant petrous internal carotid artery aneurysm. Case report and review of the literature. Minim Invasive Neurosurg. 46(4):250-3, 2003
                                          6. Hwang CJ et al: Bilateral petrous internal carotid artery pseudoaneurysms presenting with sensorineural hearing loss. AJNR Am J Neuroradiol. 24(6): 1139-41, 2003
                                          7. Redekop G et al: Treatment of traumatic aneurysms and arteriovenous fistulas of the skull base by using endovascular stents. J Neurosurg. 95(3):412-9, 2001
                                          8. Forshaw MA et al: Rupture of an internal carotid artery aneurysm in the petrous temporal bone. Br J Neurosurg. 14(5): 479-82, 2000
                                          9. Tanaka H et al: Pseudoaneurysm of the petrous internal carotid artery after skull base infection and prevertebral abscess drainage. AJNR Am J Neuroradiol. 19(3): 502-4, 1998
                                          10. Love MH et al: Case report: giant aneurysm of the intrapetrous carotid artery presenting as a cerebellopontine angle mass. Clin Radiol. 51(8): 587-8, 1996
                                          11. Cross DT 3rd et al: Endovascular treatment of epistaxis in a patient with tuberculosis and a giant petrous carotid pseudoaneurysm. AJNR Am J Neuroradiol. 16(5): 1084-6, 1995
                                          12. Halbach VV et al: Aneurysms of the petrous portion of the internal carotid artery: results of treatment with endovascular or surgical occlusion. AJNR Am J Neuroradiol. 11(2):253-7, 1990
                                          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

                                                      • Rare congenital or acquired aneurysm of petrous internal carotid artery (ICA)

                                                    IMAGING

                                                    • General Features

                                                      • CT Findings

                                                        • MR Findings

                                                          • Angiographic Findings

                                                            • Imaging Recommendations

                                                              DIFFERENTIAL DIAGNOSIS

                                                                PATHOLOGY

                                                                • General Features

                                                                  • Gross Pathologic & Surgical Features

                                                                    • Microscopic Features

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Demographics

                                                                          • Natural History & Prognosis

                                                                            • Treatment

                                                                              DIAGNOSTIC CHECKLIST

                                                                              • Consider

                                                                                • Image Interpretation Pearls

                                                                                  Selected References

                                                                                  1. Shapiro M et al: Toward an endovascular internal carotid artery classification system. AJNR Am J Neuroradiol. 35(2):230-6, 2014
                                                                                  2. Endo H et al: Simultaneous occurrence of subarachnoid hemorrhage and epistaxis due to ruptured petrous internal carotid artery aneurysm: association with transsphenoidal surgery and radiation therapy: case report. Neurol Med Chir (Tokyo). 51(3):226-9, 2011
                                                                                  3. Malikov S et al: Open surgical reconstruction of the internal carotid artery aneurysm at the base of the skull. J Vasc Surg. 51(2):323-9, 2010
                                                                                  4. Liu JK et al: Aneurysms of the petrous internal carotid artery: anatomy, origins, and treatment. Neurosurg Focus. 17(5):E13, 2004
                                                                                  5. Depauw P et al: Endovascular treatment of a giant petrous internal carotid artery aneurysm. Case report and review of the literature. Minim Invasive Neurosurg. 46(4):250-3, 2003
                                                                                  6. Hwang CJ et al: Bilateral petrous internal carotid artery pseudoaneurysms presenting with sensorineural hearing loss. AJNR Am J Neuroradiol. 24(6): 1139-41, 2003
                                                                                  7. Redekop G et al: Treatment of traumatic aneurysms and arteriovenous fistulas of the skull base by using endovascular stents. J Neurosurg. 95(3):412-9, 2001
                                                                                  8. Forshaw MA et al: Rupture of an internal carotid artery aneurysm in the petrous temporal bone. Br J Neurosurg. 14(5): 479-82, 2000
                                                                                  9. Tanaka H et al: Pseudoaneurysm of the petrous internal carotid artery after skull base infection and prevertebral abscess drainage. AJNR Am J Neuroradiol. 19(3): 502-4, 1998
                                                                                  10. Love MH et al: Case report: giant aneurysm of the intrapetrous carotid artery presenting as a cerebellopontine angle mass. Clin Radiol. 51(8): 587-8, 1996
                                                                                  11. Cross DT 3rd et al: Endovascular treatment of epistaxis in a patient with tuberculosis and a giant petrous carotid pseudoaneurysm. AJNR Am J Neuroradiol. 16(5): 1084-6, 1995
                                                                                  12. Halbach VV et al: Aneurysms of the petrous portion of the internal carotid artery: results of treatment with endovascular or surgical occlusion. AJNR Am J Neuroradiol. 11(2):253-7, 1990