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Paratracheal Air Cyst
Allen Heeger, DO
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Tracheal diverticulum
                • Tracheocele
                • Lymphoepithelial cyst
              • Definitions

                • Mucosal herniation through tracheal wall

              IMAGING

              • General Features

                • Imaging Recommendations

                  • Radiographic Findings

                    • CT Findings

                      • Ultrasonographic Findings

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Image Interpretation Pearls

                                          Selected References

                                          1. Crisafulli E et al: Spot the trachea! A wide paratracheal air cyst of not easy definition. Acta Biomed. 89(2):260-1, 2018
                                          2. Pace M et al: Tracheal diverticula: a retrospective analysis of patients referred for thoracic CT. Medicine (Baltimore). 97(39):e12544, 2018
                                          3. Shepard JO et al: Imaging of the trachea. Ann Cardiothorac Surg. 7(2):197-209, 2018
                                          4. Bae K et al: Overlooked diagnosis of infected paratracheal air cysts in patients with respiratory symptoms: case report. Medicine (Baltimore). 96(29):e7536, 2017
                                          5. Kim HY et al: Incidental paratracheal air cysts on thoracic CT and their association with chronic inflammatory lung disease. Biomed Res Int. 2017:8740635, 2017
                                          6. Rhee YJ et al: Voice change due to paratracheal air cysts. Korean J Thorac Cardiovasc Surg. 49(4):313-6, 2016
                                          7. Tanrivermis Sayit A et al: The diseases of airway-tracheal diverticulum: a review of the literature. J Thorac Dis. 8(10):E1163-7, 2016
                                          8. Boyaci N et al: Paratracheal air cysts: prevalence and relevance to pulmonary emphysema and bronchiectasis using thoracic multidetector CT. Diagn Interv Radiol. 21(1):42-6, 2015
                                          9. Chauhan G et al: Paratracheal cyst rupture: a false alarm for tracheal rupture. J Anaesthesiol Clin Pharmacol. 29(2):276-8, 2013
                                          10. Kim JS et al: Paratracheal air cysts using low-dose screening chest computed tomography: clinical significance and imaging findings. Jpn J Radiol. 29(9):644-8, 2011
                                          11. Oshiro Y et al: Subcarinal air cysts: multidetector computed tomographic findings. J Comput Assist Tomogr. 34(3):402-5, 2010
                                          12. Buterbaugh JE et al: Paratracheal air cysts: a common finding on routine CT examinations of the cervical spine and neck that may mimic pneumomediastinum in patients with traumatic injuries. AJNR Am J Neuroradiol. 29(6):1218-21, 2008
                                          13. Goo JM et al: Right paratracheal air cysts in the thoracic inlet: clinical and radiologic significance. AJR Am J Roentgenol. 173(1):65-70, 1999
                                          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

                                                      • Synonyms

                                                        • Tracheal diverticulum
                                                        • Tracheocele
                                                        • Lymphoepithelial cyst
                                                      • Definitions

                                                        • Mucosal herniation through tracheal wall

                                                      IMAGING

                                                      • General Features

                                                        • Imaging Recommendations

                                                          • Radiographic Findings

                                                            • CT Findings

                                                              • Ultrasonographic Findings

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Gross Pathologic & Surgical Features

                                                                      • Microscopic Features

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Treatment

                                                                              DIAGNOSTIC CHECKLIST

                                                                              • Consider

                                                                                • Image Interpretation Pearls

                                                                                  Selected References

                                                                                  1. Crisafulli E et al: Spot the trachea! A wide paratracheal air cyst of not easy definition. Acta Biomed. 89(2):260-1, 2018
                                                                                  2. Pace M et al: Tracheal diverticula: a retrospective analysis of patients referred for thoracic CT. Medicine (Baltimore). 97(39):e12544, 2018
                                                                                  3. Shepard JO et al: Imaging of the trachea. Ann Cardiothorac Surg. 7(2):197-209, 2018
                                                                                  4. Bae K et al: Overlooked diagnosis of infected paratracheal air cysts in patients with respiratory symptoms: case report. Medicine (Baltimore). 96(29):e7536, 2017
                                                                                  5. Kim HY et al: Incidental paratracheal air cysts on thoracic CT and their association with chronic inflammatory lung disease. Biomed Res Int. 2017:8740635, 2017
                                                                                  6. Rhee YJ et al: Voice change due to paratracheal air cysts. Korean J Thorac Cardiovasc Surg. 49(4):313-6, 2016
                                                                                  7. Tanrivermis Sayit A et al: The diseases of airway-tracheal diverticulum: a review of the literature. J Thorac Dis. 8(10):E1163-7, 2016
                                                                                  8. Boyaci N et al: Paratracheal air cysts: prevalence and relevance to pulmonary emphysema and bronchiectasis using thoracic multidetector CT. Diagn Interv Radiol. 21(1):42-6, 2015
                                                                                  9. Chauhan G et al: Paratracheal cyst rupture: a false alarm for tracheal rupture. J Anaesthesiol Clin Pharmacol. 29(2):276-8, 2013
                                                                                  10. Kim JS et al: Paratracheal air cysts using low-dose screening chest computed tomography: clinical significance and imaging findings. Jpn J Radiol. 29(9):644-8, 2011
                                                                                  11. Oshiro Y et al: Subcarinal air cysts: multidetector computed tomographic findings. J Comput Assist Tomogr. 34(3):402-5, 2010
                                                                                  12. Buterbaugh JE et al: Paratracheal air cysts: a common finding on routine CT examinations of the cervical spine and neck that may mimic pneumomediastinum in patients with traumatic injuries. AJNR Am J Neuroradiol. 29(6):1218-21, 2008
                                                                                  13. Goo JM et al: Right paratracheal air cysts in the thoracic inlet: clinical and radiologic significance. AJR Am J Roentgenol. 173(1):65-70, 1999