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Tornwaldt Cyst
Surjith Vattoth, MD, FRCR; Patricia A. Hudgins, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Tornwaldt cyst (TC)
              • Synonyms

                • Nasopharyngeal bursa, Thornwaldt cyst
              • Definitions

                • Benign developmental nasopharyngeal (NP) midline cyst covered by mucosa anteriorly & bounded by longus muscles posteriorly
                • TC originates deep to pharyngobasilar fascia

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Image Interpretation Pearls

                                          • Reporting Tips

                                            Selected References

                                            1. Turan Ş et al: Is Transnasal endoscopic marsupialization sufficient in Thornwaldt cysts? J Craniofac Surg. 31(2):e208-10, 2020
                                            2. Lee JH: Huge tornwaldt cyst with otitis media with effusion. Ear Nose Throat J. 145561319890159, 2019
                                            3. Beheshtian E et al: Incidental findings on cervical spine computed tomography scans: overlooked and unimportant? Neuroradiology. 60(11):1175-80, 2018
                                            4. Benadjaoud Y et al: A case of acute clival osteomyelitis in a 7-year-old boy secondary to infection of a Thornwaldt cyst. Int J Pediatr Otorhinolaryngol. 95:87-90, 2017
                                            5. Jyotirmay H et al: Recent trends in the management of Thornwaldts cyst: a case report. J Clin Diagn Res. 8(8):KD03-4, 2014
                                            6. Lohman BD et al: Not the typical Tornwaldt's cyst this time? A nasopharyngeal cyst associated with canalis basilaris medianus. Br J Radiol. 84(1005):e169-71, 2011
                                            7. Moody MW et al: Tornwaldt's cyst: incidence and a case report. Ear Nose Throat J. 2007 Jan;86(1):45-7, 52. Erratum in: Ear Nose Throat J. 86(3):129, 2007
                                            8. Eloy P et al: Thornwaldt's cyst and surgery with powered instrumentation. B-ENT. 2(3):135-9, 2006
                                            9. Lin JH et al: Huge Thornwaldt's cyst: a case report. Kaohsiung J Med Sci. 22(10):524-8, 2006
                                            10. Ikushima I et al: MR imaging of Tornwaldt's cysts. AJR Am J Roentgenol. 172(6):1663-5, 1999
                                            11. Weissman JL: Thornwaldt cysts. Am J Otolaryngol. 13(6):381-5, 1992
                                            12. Norfray JF et al: Magnetic resonance imaging of Thornwaldt's cyst. Ann Otol Rhinol Laryngol. 98(7 Pt 1):569-70, 1989
                                            13. Ford WJ et al: Thornwaldt cyst: an incidental MR diagnosis. AJNR Am J Neuroradiol. 8(5):922-3, 1987
                                            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

                                                          • Tornwaldt cyst (TC)
                                                        • Synonyms

                                                          • Nasopharyngeal bursa, Thornwaldt cyst
                                                        • Definitions

                                                          • Benign developmental nasopharyngeal (NP) midline cyst covered by mucosa anteriorly & bounded by longus muscles posteriorly
                                                          • TC originates deep to pharyngobasilar fascia

                                                        IMAGING

                                                        • General Features

                                                          • CT Findings

                                                            • MR Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Gross Pathologic & Surgical Features

                                                                      • Microscopic Features

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Consider

                                                                                  • Image Interpretation Pearls

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. Turan Ş et al: Is Transnasal endoscopic marsupialization sufficient in Thornwaldt cysts? J Craniofac Surg. 31(2):e208-10, 2020
                                                                                      2. Lee JH: Huge tornwaldt cyst with otitis media with effusion. Ear Nose Throat J. 145561319890159, 2019
                                                                                      3. Beheshtian E et al: Incidental findings on cervical spine computed tomography scans: overlooked and unimportant? Neuroradiology. 60(11):1175-80, 2018
                                                                                      4. Benadjaoud Y et al: A case of acute clival osteomyelitis in a 7-year-old boy secondary to infection of a Thornwaldt cyst. Int J Pediatr Otorhinolaryngol. 95:87-90, 2017
                                                                                      5. Jyotirmay H et al: Recent trends in the management of Thornwaldts cyst: a case report. J Clin Diagn Res. 8(8):KD03-4, 2014
                                                                                      6. Lohman BD et al: Not the typical Tornwaldt's cyst this time? A nasopharyngeal cyst associated with canalis basilaris medianus. Br J Radiol. 84(1005):e169-71, 2011
                                                                                      7. Moody MW et al: Tornwaldt's cyst: incidence and a case report. Ear Nose Throat J. 2007 Jan;86(1):45-7, 52. Erratum in: Ear Nose Throat J. 86(3):129, 2007
                                                                                      8. Eloy P et al: Thornwaldt's cyst and surgery with powered instrumentation. B-ENT. 2(3):135-9, 2006
                                                                                      9. Lin JH et al: Huge Thornwaldt's cyst: a case report. Kaohsiung J Med Sci. 22(10):524-8, 2006
                                                                                      10. Ikushima I et al: MR imaging of Tornwaldt's cysts. AJR Am J Roentgenol. 172(6):1663-5, 1999
                                                                                      11. Weissman JL: Thornwaldt cysts. Am J Otolaryngol. 13(6):381-5, 1992
                                                                                      12. Norfray JF et al: Magnetic resonance imaging of Thornwaldt's cyst. Ann Otol Rhinol Laryngol. 98(7 Pt 1):569-70, 1989
                                                                                      13. Ford WJ et al: Thornwaldt cyst: an incidental MR diagnosis. AJNR Am J Neuroradiol. 8(5):922-3, 1987