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Accessory Ostia
Axel Ruprecht, DDS, MScD, FRCD(C)
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Ostia maxillare accessoria
                • Accessory sinus ostia
                • Accessory maxillary ostia
                • Accessory openings
                • Supplementary ostia
                • 2 holes syndrome
              • Definitions

                • Additional openings between sinus and nasal fossa

              IMAGING

              • General Features

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      • Staging, Grading, & Classification

                        CLINICAL ISSUES

                        • Presentation

                          • Natural History & Prognosis

                            • Treatment

                              DIAGNOSTIC CHECKLIST

                              • Consider

                                • Image Interpretation Pearls

                                  Selected References

                                  1. Magomedov MM et al: [The role of accessory ostia of the maxillary sinuses in pathogenesis of acute and chronic maxillary sinusitis.] Vestn Otorinolaringol. 80(5):98-100, 2015
                                  2. Berjis N et al: Some anatomical variation of paranasal sinuses using sinus endoscopic approach on "cadaver" in Isfahan, Iran. Adv Biomed Res. 3:51, 2014
                                  3. Jain R et al: Comparison of anatomical abnormalities in patients with limited and diffuse chronic rhinosinusitis. Int Forum Allergy Rhinol. 3(6):493-6, 2013
                                  4. Na Y et al: The quantitative effect of an accessory ostium on ventilation of the maxillary sinus. Respir Physiol Neurobiol. 181(1):62-73, 2012
                                  5. Zhu JH et al: Effect of accessory ostia on maxillary sinus ventilation: a computational fluid dynamics (CFD) study. Respir Physiol Neurobiol. 183(2):91-9, 2012
                                  6. Mladina R et al: The two holes syndrome. Am J Rhinol Allergy. 23(6):602-4, 2009
                                  7. Genc S et al: Development of maxillary accessory ostium following sinusitis in rabbits. Rhinology. 46(2):121-4, 2008
                                  8. Gutman M et al: Iatrogenic maxillary sinus recirculation and beyond. Ear Nose Throat J. 82(1):61-3, 2003
                                  9. Chung SK et al: Computed tomogram findings of mucous recirculation between the natural and accessory ostia of the maxillary sinus. Am J Rhinol. 16(5):265-8, 2002
                                  10. Kumar H et al: Accessory maxillary ostia; topography and clinical application. J Anat Soc India. 50(1):3-5, 2001
                                  11. Yanagisawa E et al: Anterior and posterior nasal fontanelles. Ear Nose Throat J. 80(1):10, 12, 2001
                                  12. Matthews BL et al: Recirculation of mucus via accessory ostia causing chronic maxillary sinus disease. Otolaryngol Head Neck Surg. 117(4):422-3, 1997
                                  13. Coleman JR Jr et al: Extended middle meatal antrostomy: the treatment of circular flow. Laryngoscope. 106(10):1214-7, 1996
                                  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

                                                • Ostia maxillare accessoria
                                                • Accessory sinus ostia
                                                • Accessory maxillary ostia
                                                • Accessory openings
                                                • Supplementary ostia
                                                • 2 holes syndrome
                                              • Definitions

                                                • Additional openings between sinus and nasal fossa

                                              IMAGING

                                              • General Features

                                                • Imaging Recommendations

                                                  DIFFERENTIAL DIAGNOSIS

                                                    PATHOLOGY

                                                    • General Features

                                                      • Staging, Grading, & Classification

                                                        CLINICAL ISSUES

                                                        • Presentation

                                                          • Natural History & Prognosis

                                                            • Treatment

                                                              DIAGNOSTIC CHECKLIST

                                                              • Consider

                                                                • Image Interpretation Pearls

                                                                  Selected References

                                                                  1. Magomedov MM et al: [The role of accessory ostia of the maxillary sinuses in pathogenesis of acute and chronic maxillary sinusitis.] Vestn Otorinolaringol. 80(5):98-100, 2015
                                                                  2. Berjis N et al: Some anatomical variation of paranasal sinuses using sinus endoscopic approach on "cadaver" in Isfahan, Iran. Adv Biomed Res. 3:51, 2014
                                                                  3. Jain R et al: Comparison of anatomical abnormalities in patients with limited and diffuse chronic rhinosinusitis. Int Forum Allergy Rhinol. 3(6):493-6, 2013
                                                                  4. Na Y et al: The quantitative effect of an accessory ostium on ventilation of the maxillary sinus. Respir Physiol Neurobiol. 181(1):62-73, 2012
                                                                  5. Zhu JH et al: Effect of accessory ostia on maxillary sinus ventilation: a computational fluid dynamics (CFD) study. Respir Physiol Neurobiol. 183(2):91-9, 2012
                                                                  6. Mladina R et al: The two holes syndrome. Am J Rhinol Allergy. 23(6):602-4, 2009
                                                                  7. Genc S et al: Development of maxillary accessory ostium following sinusitis in rabbits. Rhinology. 46(2):121-4, 2008
                                                                  8. Gutman M et al: Iatrogenic maxillary sinus recirculation and beyond. Ear Nose Throat J. 82(1):61-3, 2003
                                                                  9. Chung SK et al: Computed tomogram findings of mucous recirculation between the natural and accessory ostia of the maxillary sinus. Am J Rhinol. 16(5):265-8, 2002
                                                                  10. Kumar H et al: Accessory maxillary ostia; topography and clinical application. J Anat Soc India. 50(1):3-5, 2001
                                                                  11. Yanagisawa E et al: Anterior and posterior nasal fontanelles. Ear Nose Throat J. 80(1):10, 12, 2001
                                                                  12. Matthews BL et al: Recirculation of mucus via accessory ostia causing chronic maxillary sinus disease. Otolaryngol Head Neck Surg. 117(4):422-3, 1997
                                                                  13. Coleman JR Jr et al: Extended middle meatal antrostomy: the treatment of circular flow. Laryngoscope. 106(10):1214-7, 1996