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Lungs
Melissa L. Rosado-de-Christenson, MD, FACR
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TERMINOLOGY

  • Abbreviations

    • Right upper lobe (RUL)
    • Middle lobe (ML)
    • Right lower lobe (RLL)
    • Left upper lobe (LUL)
    • Left lower lobe (LLL)
  • Definitions

    • Middle lobe: Frequently used to refer to right middle lobe, as there is normally no left middle lobe
    • Lingula: Tongue-like morphology of inferior aspect of left upper lobe, equivalent to contralateral middle lobe

ANATOMY

  • General Anatomy

    • Surface Anatomy

      LOBES

      • Boundaries

        • Internal Structure

          • Right Lung

            • Left Lung

              SEGMENTS

              • Internal Structure

                • Right Upper Lobe

                  • Middle Lobe

                    • Right Lower Lobe

                      • Left Upper Lobe

                        • Left Lower Lobe

                          • General Principles

                            • Sign of Silhouette

                              Related Anatomy
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                              Related Differential Diagnoses
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                              References
                              Tables

                              Tables

                              TERMINOLOGY

                              • Abbreviations

                                • Right upper lobe (RUL)
                                • Middle lobe (ML)
                                • Right lower lobe (RLL)
                                • Left upper lobe (LUL)
                                • Left lower lobe (LLL)
                              • Definitions

                                • Middle lobe: Frequently used to refer to right middle lobe, as there is normally no left middle lobe
                                • Lingula: Tongue-like morphology of inferior aspect of left upper lobe, equivalent to contralateral middle lobe

                              ANATOMY

                              • General Anatomy

                                • Surface Anatomy

                                  LOBES

                                  • Boundaries

                                    • Internal Structure

                                      • Right Lung

                                        • Left Lung

                                          SEGMENTS

                                          • Internal Structure

                                            • Right Upper Lobe

                                              • Middle Lobe

                                                • Right Lower Lobe

                                                  • Left Upper Lobe

                                                    • Left Lower Lobe

                                                      • General Principles

                                                        • Sign of Silhouette