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Cerebral Infarction, PICA
Edward P. Quigley, III, MD, PhD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Posterior inferior cerebellar artery (PICA) infarct
            • Definitions

              • Ischemia in posterior inferior cerebellar artery distribution
                • Inferior cerebellar hemispheres, lateral medulla, inferior vermis, tonsils

            IMAGING

            • Imaging Anatomy

              • General Features

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        CLINICAL ISSUES

                        • Presentation

                          • Natural History & Prognosis

                            • Treatment

                              DIAGNOSTIC CHECKLIST

                              • Consider

                                • Image Interpretation Pearls

                                  Selected References

                                  1. Kwon BJ et al: Double origin of the posteroinferior cerebellar artery: angiographic anatomy and endovascular treatment of concurrent vertebrobasilar dissection. Neurosurgery. 61(5 Suppl 2):242-7; discussion 247-8, 2007
                                  2. Dinichert A et al: Dissecting aneurysms of the posterior inferior cerebellar artery: report of four cases and review of the literature. J Clin Neurosci. 7(6):515-20, 2000
                                  3. Roig C et al: [History of Wallenberg's syndrome.] Rev Neurol. 24(125):96-100, 1996
                                  4. Kim JS et al: Medial medullary syndrome. Report of 18 new patients and a review of the literature. Stroke. 26(9):1548-52, 1995
                                  5. Brazis PW: Ocular motor abnormalities in Wallenberg's lateral medullary syndrome. Mayo Clin Proc. 67(4):365-8, 1992
                                  6. Frumkin LR et al: Wallenberg's syndrome following neck manipulation. Neurology. 40(4):611-5, 1990
                                  7. Amarenco P et al: [Cerebellar infarction in the area of the posterior cerebellar artery. Clinicopathology of 28 cases.] Rev Neurol (Paris). 145(4):277-86, 1989
                                  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

                                          • Diagnostic Checklist

                                            TERMINOLOGY

                                            • Abbreviations

                                              • Posterior inferior cerebellar artery (PICA) infarct
                                            • Definitions

                                              • Ischemia in posterior inferior cerebellar artery distribution
                                                • Inferior cerebellar hemispheres, lateral medulla, inferior vermis, tonsils

                                            IMAGING

                                            • Imaging Anatomy

                                              • General Features

                                                • CT Findings

                                                  • MR Findings

                                                    • Imaging Recommendations

                                                      DIFFERENTIAL DIAGNOSIS

                                                        CLINICAL ISSUES

                                                        • Presentation

                                                          • Natural History & Prognosis

                                                            • Treatment

                                                              DIAGNOSTIC CHECKLIST

                                                              • Consider

                                                                • Image Interpretation Pearls

                                                                  Selected References

                                                                  1. Kwon BJ et al: Double origin of the posteroinferior cerebellar artery: angiographic anatomy and endovascular treatment of concurrent vertebrobasilar dissection. Neurosurgery. 61(5 Suppl 2):242-7; discussion 247-8, 2007
                                                                  2. Dinichert A et al: Dissecting aneurysms of the posterior inferior cerebellar artery: report of four cases and review of the literature. J Clin Neurosci. 7(6):515-20, 2000
                                                                  3. Roig C et al: [History of Wallenberg's syndrome.] Rev Neurol. 24(125):96-100, 1996
                                                                  4. Kim JS et al: Medial medullary syndrome. Report of 18 new patients and a review of the literature. Stroke. 26(9):1548-52, 1995
                                                                  5. Brazis PW: Ocular motor abnormalities in Wallenberg's lateral medullary syndrome. Mayo Clin Proc. 67(4):365-8, 1992
                                                                  6. Frumkin LR et al: Wallenberg's syndrome following neck manipulation. Neurology. 40(4):611-5, 1990
                                                                  7. Amarenco P et al: [Cerebellar infarction in the area of the posterior cerebellar artery. Clinicopathology of 28 cases.] Rev Neurol (Paris). 145(4):277-86, 1989