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Cerebral Infarction, COW Perforating Artery
Edward P. Quigley, III, MD, PhD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Synonyms

            • Circle of Willis (COW) perforator or penetrating artery infarct
          • Definitions

            • Focal lacunar infarct due to occlusion of small perforators arising from circle of Willis

          IMAGING

          • General Features

            • Imaging Anatomy

              • CT Findings

                • MR Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      CLINICAL ISSUES

                      • Presentation

                        • Treatment

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            • Image Interpretation Pearls

                              • Reporting Tips

                                Selected References

                                1. Malamateniou C et al: The anatomic variations of the circle of Willis in preterm-at-term and term-born infants: an MR angiography study at 3T. AJNR Am J Neuroradiol. Epub ahead of print, 2009
                                2. Chuang YM et al: Posterior communicating artery hypoplasia as a risk factor for acute ischemic stroke in the absence of carotid artery occlusion. J Clin Neurosci. 15(12):1376-81, 2008
                                3. Gonzalez N et al: Impact of anatomic features in the endovascular embolization of 181 anterior communicating artery aneurysms. Stroke. 39(10):2776-82, 2008
                                4. Kim J et al: Mechanism of tuberothalamic infarction. Eur J Neurol. 15(10):1118-23, 2008
                                5. Urbanski PP et al: Does anatomical completeness of the circle of Willis correlate with sufficient cross-perfusion during unilateral cerebral perfusion? Eur J Cardiothorac Surg. 33(3):402-8, 2008
                                6. Daghigi MH et al: Bilateral accessory middle cerebral arteries associated with an aneurysm of the anterior circulation. Folia Morphol (Warsz). 65(2):161-3, 2006
                                7. Eftekhar B et al: Are the distributions of variations of circle of Willis different in different populations? - Results of an anatomical study and review of literature. BMC Neurol. 6:22, 2006
                                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

                                        • Synonyms

                                          • Circle of Willis (COW) perforator or penetrating artery infarct
                                        • Definitions

                                          • Focal lacunar infarct due to occlusion of small perforators arising from circle of Willis

                                        IMAGING

                                        • General Features

                                          • Imaging Anatomy

                                            • CT Findings

                                              • MR Findings

                                                • Imaging Recommendations

                                                  DIFFERENTIAL DIAGNOSIS

                                                    CLINICAL ISSUES

                                                    • Presentation

                                                      • Treatment

                                                        DIAGNOSTIC CHECKLIST

                                                        • Consider

                                                          • Image Interpretation Pearls

                                                            • Reporting Tips

                                                              Selected References

                                                              1. Malamateniou C et al: The anatomic variations of the circle of Willis in preterm-at-term and term-born infants: an MR angiography study at 3T. AJNR Am J Neuroradiol. Epub ahead of print, 2009
                                                              2. Chuang YM et al: Posterior communicating artery hypoplasia as a risk factor for acute ischemic stroke in the absence of carotid artery occlusion. J Clin Neurosci. 15(12):1376-81, 2008
                                                              3. Gonzalez N et al: Impact of anatomic features in the endovascular embolization of 181 anterior communicating artery aneurysms. Stroke. 39(10):2776-82, 2008
                                                              4. Kim J et al: Mechanism of tuberothalamic infarction. Eur J Neurol. 15(10):1118-23, 2008
                                                              5. Urbanski PP et al: Does anatomical completeness of the circle of Willis correlate with sufficient cross-perfusion during unilateral cerebral perfusion? Eur J Cardiothorac Surg. 33(3):402-8, 2008
                                                              6. Daghigi MH et al: Bilateral accessory middle cerebral arteries associated with an aneurysm of the anterior circulation. Folia Morphol (Warsz). 65(2):161-3, 2006
                                                              7. Eftekhar B et al: Are the distributions of variations of circle of Willis different in different populations? - Results of an anatomical study and review of literature. BMC Neurol. 6:22, 2006