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Atelectasis, Subsegmental
Gerald F. Abbott, MD, FACR; Brett W. Carter, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Synonyms

              • Discoid atelectasis
              • Plate-like atelectasis
            • Definitions

              • Atelectasis involving airways smaller than a bronchopulmonary segment

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • Imaging Recommendations

                    PATHOLOGY

                    • General Features

                      CLINICAL ISSUES

                      • Presentation

                        • Demographics

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            • Image Interpretation Pearls

                              Selected References

                              1. Davis SD et al: Obliquely oriented superior accessory fissure of the lower lobe of the lung: CT evaluation of the normal appearance and effect on the distribution of parenchymal and pleural opacities. Radiology. 216(1):97-106, 2000
                              2. Gierada DS et al: Pseudomass due to atelectasis in patients with severe bullous emphysema. AJR Am J Roentgenol. 168(1):85-92, 1997
                              3. Price J: Linear atelectasis in the lingula as a diagnostic feature of left lower lobe collapse: Nordenström's sign. Australas Radiol. 35(1):56-60, 1991
                              4. Westcott JL et al: Plate atelectasis. Radiology. 155(1):1-9, 1985
                              5. Kubota H et al: Plate-like atelectasis at the corticomedullary junction of the lung: CT observation and hypothesis. Radiat Med. 1(4):305-10, 1983
                              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

                                        TERMINOLOGY

                                        • Synonyms

                                          • Discoid atelectasis
                                          • Plate-like atelectasis
                                        • Definitions

                                          • Atelectasis involving airways smaller than a bronchopulmonary segment

                                        IMAGING

                                        • General Features

                                          • Radiographic Findings

                                            • CT Findings

                                              • Imaging Recommendations

                                                PATHOLOGY

                                                • General Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Demographics

                                                      DIAGNOSTIC CHECKLIST

                                                      • Consider

                                                        • Image Interpretation Pearls

                                                          Selected References

                                                          1. Davis SD et al: Obliquely oriented superior accessory fissure of the lower lobe of the lung: CT evaluation of the normal appearance and effect on the distribution of parenchymal and pleural opacities. Radiology. 216(1):97-106, 2000
                                                          2. Gierada DS et al: Pseudomass due to atelectasis in patients with severe bullous emphysema. AJR Am J Roentgenol. 168(1):85-92, 1997
                                                          3. Price J: Linear atelectasis in the lingula as a diagnostic feature of left lower lobe collapse: Nordenström's sign. Australas Radiol. 35(1):56-60, 1991
                                                          4. Westcott JL et al: Plate atelectasis. Radiology. 155(1):1-9, 1985
                                                          5. Kubota H et al: Plate-like atelectasis at the corticomedullary junction of the lung: CT observation and hypothesis. Radiat Med. 1(4):305-10, 1983