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Carotid Pseudoaneurysm, Extracranial
C. Douglas Phillips, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • "False" carotid aneurysm
              • Definitions

                • Paravascular cavitated thrombus in continuity with carotid artery lumen
                • Not contained by true vessel wall (tunica intima and media), hence "pseudo" or "false" aneurysm

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Ultrasonographic 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. Bridge KI et al: Images in vascular medicine. Delayed Horner's syndrome as a presenting symptom of traumatic internal carotid artery dissection and pseudoaneurysm. Vasc Med. 16(2):159-60, 2011
                                              2. Herrera DA et al: Endovascular treatment of penetrating traumatic injuries of the extracranial carotid artery. J Vasc Interv Radiol. 22(1):28-33, 2011
                                              3. Asma A et al: Massive epistaxis secondary to pseudoaneurysm of internal carotid artery. Med J Malaysia. 61(1):84-7, 2006
                                              4. Kaviani A et al: Infected carotid pseudoaneurysm and carotid-cutaneous fistula as a late complication of carotid artery stenting. J Vasc Surg. 43(2):379-82, 2006
                                              5. Madan A et al: Traumatic carotid artery-cavernous sinus fistula treated with a covered stent. Report of two cases. J Neurosurg. 104(6):969-73, 2006
                                              6. Gorriz-Gomez E et al: [Internal carotid artery pseudoaneurysm and stenosis: treatment with stents and coils.] Neurocirugia (Astur). 16(6):528-32, 2005
                                              7. Mordekar SR et al: Occult carotid pseudoaneurysm following streptococcal throat infection. J Paediatr Child Health. 41(12):682-4, 2005
                                              8. Koyanagi M et al: Stent-supported coil embolization for carotid artery pseudoaneurysm as a complication of endovascular surgery--case report. Neurol Med Chir (Tokyo). 44(10):544-7, 2004
                                              9. Alexander MJ et al: Treatment of an iatrogenic petrous carotid artery pseudoaneurysm with a Symbiot covered stent: technical case report. Neurosurgery. 50(3):658-62, 2002
                                              10. Reisner A et al: Endovascular occlusion of a carotid pseudoaneurysm complicating deep neck space infection in a child. Case report. J Neurosurg. 91(3):510-4, 1999
                                              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

                                                          • Synonyms

                                                            • "False" carotid aneurysm
                                                          • Definitions

                                                            • Paravascular cavitated thrombus in continuity with carotid artery lumen
                                                            • Not contained by true vessel wall (tunica intima and media), hence "pseudo" or "false" aneurysm

                                                          IMAGING

                                                          • General Features

                                                            • CT Findings

                                                              • MR Findings

                                                                • Ultrasonographic 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. Bridge KI et al: Images in vascular medicine. Delayed Horner's syndrome as a presenting symptom of traumatic internal carotid artery dissection and pseudoaneurysm. Vasc Med. 16(2):159-60, 2011
                                                                                          2. Herrera DA et al: Endovascular treatment of penetrating traumatic injuries of the extracranial carotid artery. J Vasc Interv Radiol. 22(1):28-33, 2011
                                                                                          3. Asma A et al: Massive epistaxis secondary to pseudoaneurysm of internal carotid artery. Med J Malaysia. 61(1):84-7, 2006
                                                                                          4. Kaviani A et al: Infected carotid pseudoaneurysm and carotid-cutaneous fistula as a late complication of carotid artery stenting. J Vasc Surg. 43(2):379-82, 2006
                                                                                          5. Madan A et al: Traumatic carotid artery-cavernous sinus fistula treated with a covered stent. Report of two cases. J Neurosurg. 104(6):969-73, 2006
                                                                                          6. Gorriz-Gomez E et al: [Internal carotid artery pseudoaneurysm and stenosis: treatment with stents and coils.] Neurocirugia (Astur). 16(6):528-32, 2005
                                                                                          7. Mordekar SR et al: Occult carotid pseudoaneurysm following streptococcal throat infection. J Paediatr Child Health. 41(12):682-4, 2005
                                                                                          8. Koyanagi M et al: Stent-supported coil embolization for carotid artery pseudoaneurysm as a complication of endovascular surgery--case report. Neurol Med Chir (Tokyo). 44(10):544-7, 2004
                                                                                          9. Alexander MJ et al: Treatment of an iatrogenic petrous carotid artery pseudoaneurysm with a Symbiot covered stent: technical case report. Neurosurgery. 50(3):658-62, 2002
                                                                                          10. Reisner A et al: Endovascular occlusion of a carotid pseudoaneurysm complicating deep neck space infection in a child. Case report. J Neurosurg. 91(3):510-4, 1999