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Saccular Aneurysm
Anne G. Osborn, MD, FACR; Perry P. Ng, MBBS (Hons), FRANZCR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Abbreviations

            • Intracranial saccular aneurysm (SA)
          • Synonyms

            • Berry aneurysm, true aneurysm
          • Definitions

            • Arterial outpouching affecting only part of arterial circumference
              • Lacks internal elastic lamina ± tunica media

          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. Bor AS et al: Clinical, radiological, and flow-related risk factors for growth of untreated, unruptured intracranial aneurysms. Stroke. 46(1):42-8, 2015
                                        2. Cooke DL et al: Cerebral arterial fenestrations. Interv Neuroradiol. 20(3):261-74, 2014
                                        3. Wakhloo AK et al: Revolution in aneurysm treatment: flow diversion to cure aneurysms: a paradigm shift. Neurosurgery. 61 Suppl 1:111-20, 2014
                                        4. Matsumoto K et al: Incidence of growth and rupture of unruptured intracranial aneurysms followed by serial MRA. Acta Neurochir (Wien). 155(2):211-6, 2013
                                        5. Rabinstein AA: Subarachnoid hemorrhage. Neurology. 80(5):e56-9, 2013
                                        6. Vasan R et al: Pediatric intracranial aneurysms: current national trends in patient management and treatment. Childs Nerv Syst. 29(3):451-6, 2013
                                        7. Wang H et al: 320-detector row CT angiography for detection and evaluation of intracranial aneurysms: comparison with conventional digital subtraction angiography. Clin Radiol. 68(1):e15-20, 2013
                                        8. Cianfoni A et al: Clinical presentation of cerebral aneurysms. Eur J Radiol. Epub ahead of print, 2012
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Clinical Issues

                                                TERMINOLOGY

                                                • Abbreviations

                                                  • Intracranial saccular aneurysm (SA)
                                                • Synonyms

                                                  • Berry aneurysm, true aneurysm
                                                • Definitions

                                                  • Arterial outpouching affecting only part of arterial circumference
                                                    • Lacks internal elastic lamina ± tunica media

                                                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. Bor AS et al: Clinical, radiological, and flow-related risk factors for growth of untreated, unruptured intracranial aneurysms. Stroke. 46(1):42-8, 2015
                                                                              2. Cooke DL et al: Cerebral arterial fenestrations. Interv Neuroradiol. 20(3):261-74, 2014
                                                                              3. Wakhloo AK et al: Revolution in aneurysm treatment: flow diversion to cure aneurysms: a paradigm shift. Neurosurgery. 61 Suppl 1:111-20, 2014
                                                                              4. Matsumoto K et al: Incidence of growth and rupture of unruptured intracranial aneurysms followed by serial MRA. Acta Neurochir (Wien). 155(2):211-6, 2013
                                                                              5. Rabinstein AA: Subarachnoid hemorrhage. Neurology. 80(5):e56-9, 2013
                                                                              6. Vasan R et al: Pediatric intracranial aneurysms: current national trends in patient management and treatment. Childs Nerv Syst. 29(3):451-6, 2013
                                                                              7. Wang H et al: 320-detector row CT angiography for detection and evaluation of intracranial aneurysms: comparison with conventional digital subtraction angiography. Clin Radiol. 68(1):e15-20, 2013
                                                                              8. Cianfoni A et al: Clinical presentation of cerebral aneurysms. Eur J Radiol. Epub ahead of print, 2012