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Meandering Pulmonary Vein
Melissa L. Rosado de Christenson, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Meandering pulmonary vein (MPV)
            • Synonyms

              • Pseudo-scimitar syndrome, scimitar variant
            • Definitions

              • Anomalous course of pulmonary vein, drains portion of lung, drains into left atrium
              • Considered by some authors as scimitar variant
                • Spectrum of malformations: Lack typical scimitar syndrome features; may exhibit additional features
                • Right MPV may mimic scimitar vein/sign in absence of scimitar syndrome
              • Anomalous unilateral single pulmonary vein (AUSPV): Single pulmonary vein drains entire lung

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Lee M et al: Meandering pulmonary veins: two case reports. Medicine (Baltimore). 99(16):e19815, 2020
                                    2. Sneha Harish C et al: Meandering pulmonary vein: a case report. J Radiol Case Rep. 14(3):7-13, 2020
                                    3. Lin CT et al: Pulmonary venous anomalies causing misdiagnosis of pulmonary arteriovenous malformations. Clin Imaging. 47:96-100, 2018
                                    4. Pawar RS et al: Meandering pulmonary veins mimicking scimitar syndrome. Cardiol Young. 28(10):1171-3, 2018
                                    5. Nam K et al: Unusual meandering right upper lobe pulmonary vein draining into right middle lobe pulmonary vein: a case report. Surg Radiol Anat. 39(5):577-80, 2017
                                    6. Bo I et al: Variants of the scimitar syndrome. Cardiol Young. 26(5):941-7, 2016
                                    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

                                                • Meandering pulmonary vein (MPV)
                                              • Synonyms

                                                • Pseudo-scimitar syndrome, scimitar variant
                                              • Definitions

                                                • Anomalous course of pulmonary vein, drains portion of lung, drains into left atrium
                                                • Considered by some authors as scimitar variant
                                                  • Spectrum of malformations: Lack typical scimitar syndrome features; may exhibit additional features
                                                  • Right MPV may mimic scimitar vein/sign in absence of scimitar syndrome
                                                • Anomalous unilateral single pulmonary vein (AUSPV): Single pulmonary vein drains entire lung

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • CT Findings

                                                    • MR Findings

                                                      • Imaging Recommendations

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Lee M et al: Meandering pulmonary veins: two case reports. Medicine (Baltimore). 99(16):e19815, 2020
                                                                      2. Sneha Harish C et al: Meandering pulmonary vein: a case report. J Radiol Case Rep. 14(3):7-13, 2020
                                                                      3. Lin CT et al: Pulmonary venous anomalies causing misdiagnosis of pulmonary arteriovenous malformations. Clin Imaging. 47:96-100, 2018
                                                                      4. Pawar RS et al: Meandering pulmonary veins mimicking scimitar syndrome. Cardiol Young. 28(10):1171-3, 2018
                                                                      5. Nam K et al: Unusual meandering right upper lobe pulmonary vein draining into right middle lobe pulmonary vein: a case report. Surg Radiol Anat. 39(5):577-80, 2017
                                                                      6. Bo I et al: Variants of the scimitar syndrome. Cardiol Young. 26(5):941-7, 2016