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Swyer-James-MacLeod Syndrome
Allen Heeger, DO
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Swyer-James-MacLeod syndrome (SJM)
              • Synonyms

                • Swyer-James syndrome
                • MacLeod syndrome
                • Controversy regarding eponyms to be ascribed to syndrome
                  • MacLeod presented report of 9 patients with "abnormal transradiancy of 1 lung," which was "small or normal size" at British Thoracic Society meeting in London in February of 1952
                  • Swyer and James published case of "unilateral pulmonary emphysema" in 1953
                  • MacLeod published his work in 1954
              • Definitions

                • Constrictive bronchiolitis as result of childhood infectious bronchiolitis (typically from Adenovirus infection)
                • Constrictive bronchiolitis: Irreversible obstructive small airways disease characterized by submucosal and peribronchiolar fibrosis with resultant destruction and obliterative scarring of small airways
                • Mosaic attenuation (perfusion): Geographic regions of increased parenchymal attenuation with intrinsic large pulmonary vessels adjacent to regions of decreased attenuation with intrinsic small pulmonary vessels

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • Nuclear Medicine Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Staging, Grading, & Classification

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          Selected References

                                          1. Behrendt A et al: Swyer-James-MacLeod Syndrome 2020
                                          2. Gomes de Farias LP et al: Swyer-James-MacLeod syndrome: the hyperlucent lung. Radiol Cardiothorac Imaging. 2(3):e190246, 2020
                                          3. Griffiths P et al: Swyer-James-MacLeod syndrome and pulmonary arteriovenous malformations: a rare combination. BMJ Case Rep. 13(1), 2020
                                          4. Kawasuji H et al: Multimodal imaging findings in an adult case of Swyer-James-MacLeod syndrome. Respirol Case Rep. 5(4):e00236, 2017
                                          5. Winningham PJ et al: Bronchiolitis: a practical approach for the general radiologist. Radiographics. 37(3):777-94, 2017
                                          6. Chaucer B et al: Swyer-James-Macleod syndrome: a rare finding and important differential in the ED setting. Am J Emerg Med. 34(7):1329.e3-4, 2016
                                          7. Milanese G et al: Lung volume reduction of pulmonary emphysema: the radiologist task. Curr Opin Pulm Med. 22(2):179-86, 2016
                                          8. Yu J: Postinfectious bronchiolitis obliterans in children: lessons from bronchiolitis obliterans after lung transplantation and hematopoietic stem cell transplantation. Korean J Pediatr. 58(12):459-65, 2015
                                          9. Mosquera RA et al: Dysanaptic growth of lung and airway in children with post-infectious bronchiolitis obliterans. Clin Respir J. 8(1):63-71, 2014
                                          10. Xie BQ et al: Ventilation/perfusion scintigraphy in children with post-infectious bronchiolitis obliterans: a pilot study. PLoS One. 9(5):e98381, 2014
                                          11. Wasilewska E et al: Unilateral hyperlucent lung in children. AJR Am J Roentgenol. 198(5):W400-14, 2012
                                          12. Champs NS et al: Post-infectious bronchiolitis obliterans in children. J Pediatr (Rio J). 87(3):187-98, 2011
                                          13. Dillman JR et al: Expanding upon the unilateral hyperlucent hemithorax in children. Radiographics. 31(3):723-41, 2011
                                          14. Müller NL: Unilateral hyperlucent lung: MacLeod versus Swyer-James. Clin Radiol. 59(11):1048, 2004
                                          15. Lucaya J et al: Spectrum of manifestations of Swyer-James-MacLeod syndrome. J Comput Assist Tomogr. 22(4):592-7, 1998
                                          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

                                                      • Abbreviations

                                                        • Swyer-James-MacLeod syndrome (SJM)
                                                      • Synonyms

                                                        • Swyer-James syndrome
                                                        • MacLeod syndrome
                                                        • Controversy regarding eponyms to be ascribed to syndrome
                                                          • MacLeod presented report of 9 patients with "abnormal transradiancy of 1 lung," which was "small or normal size" at British Thoracic Society meeting in London in February of 1952
                                                          • Swyer and James published case of "unilateral pulmonary emphysema" in 1953
                                                          • MacLeod published his work in 1954
                                                      • Definitions

                                                        • Constrictive bronchiolitis as result of childhood infectious bronchiolitis (typically from Adenovirus infection)
                                                        • Constrictive bronchiolitis: Irreversible obstructive small airways disease characterized by submucosal and peribronchiolar fibrosis with resultant destruction and obliterative scarring of small airways
                                                        • Mosaic attenuation (perfusion): Geographic regions of increased parenchymal attenuation with intrinsic large pulmonary vessels adjacent to regions of decreased attenuation with intrinsic small pulmonary vessels

                                                      IMAGING

                                                      • General Features

                                                        • Radiographic Findings

                                                          • CT Findings

                                                            • Nuclear Medicine Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Staging, Grading, & Classification

                                                                      • Microscopic Features

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Consider

                                                                                  Selected References

                                                                                  1. Behrendt A et al: Swyer-James-MacLeod Syndrome 2020
                                                                                  2. Gomes de Farias LP et al: Swyer-James-MacLeod syndrome: the hyperlucent lung. Radiol Cardiothorac Imaging. 2(3):e190246, 2020
                                                                                  3. Griffiths P et al: Swyer-James-MacLeod syndrome and pulmonary arteriovenous malformations: a rare combination. BMJ Case Rep. 13(1), 2020
                                                                                  4. Kawasuji H et al: Multimodal imaging findings in an adult case of Swyer-James-MacLeod syndrome. Respirol Case Rep. 5(4):e00236, 2017
                                                                                  5. Winningham PJ et al: Bronchiolitis: a practical approach for the general radiologist. Radiographics. 37(3):777-94, 2017
                                                                                  6. Chaucer B et al: Swyer-James-Macleod syndrome: a rare finding and important differential in the ED setting. Am J Emerg Med. 34(7):1329.e3-4, 2016
                                                                                  7. Milanese G et al: Lung volume reduction of pulmonary emphysema: the radiologist task. Curr Opin Pulm Med. 22(2):179-86, 2016
                                                                                  8. Yu J: Postinfectious bronchiolitis obliterans in children: lessons from bronchiolitis obliterans after lung transplantation and hematopoietic stem cell transplantation. Korean J Pediatr. 58(12):459-65, 2015
                                                                                  9. Mosquera RA et al: Dysanaptic growth of lung and airway in children with post-infectious bronchiolitis obliterans. Clin Respir J. 8(1):63-71, 2014
                                                                                  10. Xie BQ et al: Ventilation/perfusion scintigraphy in children with post-infectious bronchiolitis obliterans: a pilot study. PLoS One. 9(5):e98381, 2014
                                                                                  11. Wasilewska E et al: Unilateral hyperlucent lung in children. AJR Am J Roentgenol. 198(5):W400-14, 2012
                                                                                  12. Champs NS et al: Post-infectious bronchiolitis obliterans in children. J Pediatr (Rio J). 87(3):187-98, 2011
                                                                                  13. Dillman JR et al: Expanding upon the unilateral hyperlucent hemithorax in children. Radiographics. 31(3):723-41, 2011
                                                                                  14. Müller NL: Unilateral hyperlucent lung: MacLeod versus Swyer-James. Clin Radiol. 59(11):1048, 2004
                                                                                  15. Lucaya J et al: Spectrum of manifestations of Swyer-James-MacLeod syndrome. J Comput Assist Tomogr. 22(4):592-7, 1998