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Emphysema, Paraseptal
Terrance Healey, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Paraseptal emphysema (PSE)
              • Synonyms

                • Distal acinar emphysema
              • Definitions

                • Permanently enlarged distal acinus
                • Destruction of alveolar ducts & sacs
                • Bullae
                  • Circumscribed, well demarcated
                  • Thin-walled dilated airspace measuring > 1 cm

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Microscopic Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Litmanovich D et al: CT of pulmonary emphysema--current status, challenges, and future directions. Eur Radiol. 19(3):537-51, 2009
                                        2. Satoh K et al: CT assessment of subtypes of pulmonary emphysema in smokers. Chest. 120(3):725-9, 2001
                                        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

                                                      • Paraseptal emphysema (PSE)
                                                    • Synonyms

                                                      • Distal acinar emphysema
                                                    • Definitions

                                                      • Permanently enlarged distal acinus
                                                      • Destruction of alveolar ducts & sacs
                                                      • Bullae
                                                        • Circumscribed, well demarcated
                                                        • Thin-walled dilated airspace measuring > 1 cm

                                                    IMAGING

                                                    • General Features

                                                      • Radiographic Findings

                                                        • CT Findings

                                                          • Imaging Recommendations

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                • Microscopic Features

                                                                  CLINICAL ISSUES

                                                                  • Presentation

                                                                    • Demographics

                                                                      • Natural History & Prognosis

                                                                        • Treatment

                                                                          DIAGNOSTIC CHECKLIST

                                                                          • Consider

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Litmanovich D et al: CT of pulmonary emphysema--current status, challenges, and future directions. Eur Radiol. 19(3):537-51, 2009
                                                                              2. Satoh K et al: CT assessment of subtypes of pulmonary emphysema in smokers. Chest. 120(3):725-9, 2001