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Parapharyngeal Space Benign Mixed Tumor
Aparna Singhal, MD; H. Ric Harnsberger, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Parapharyngeal space (PPS) benign mixed tumor (BMT)
              • Synonyms

                • Pleomorphic adenoma
              • Definitions

                • Benign tumor arising from aberrant minor salivary gland rests in PPS

              IMAGING

              • General Features

                • Imaging Recommendations

                  • CT Findings

                    • MR Findings

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Bulut OC et al: Primary neoplasms of the parapharyngeal space: diagnostic and therapeutic pearls and pitfalls. Eur Arch Otorhinolaryngol. ePub, 2021
                                        2. Kuet ML et al: Management of tumors arising from the parapharyngeal space: a systematic review of 1,293 cases reported over 25 years. Laryngoscope. 125(6):1372-81, 2015
                                        3. Riffat F et al: A systematic review of 1143 parapharyngeal space tumors reported over 20 years. Oral Oncol. 50(5):421-30, 2014
                                        4. Kato H et al: Imaging findings of parapharyngeal space pleomorphic adenoma in comparison with parotid gland pleomorphic adenoma. Jpn J Radiol. 31(11):724-30, 2013
                                        5. Pelaz AC et al: Simultaneous pleomorphic adenomas of the hard palate and parapharyngeal space. J Craniofac Surg. 20(4):1298-9, 2009
                                        6. Zhi K et al: Management of parapharyngeal-space tumors. J Oral Maxillofac Surg. 67(6):1239-44, 2009
                                        7. Shi H et al: Pleomorphic adenoma with extensive ossified and calcified degeneration: unusual CT findings in one case. AJNR Am J Neuroradiol. 29(4):737-8, 2008
                                        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

                                                      • Parapharyngeal space (PPS) benign mixed tumor (BMT)
                                                    • Synonyms

                                                      • Pleomorphic adenoma
                                                    • Definitions

                                                      • Benign tumor arising from aberrant minor salivary gland rests in PPS

                                                    IMAGING

                                                    • General Features

                                                      • Imaging Recommendations

                                                        • CT Findings

                                                          • MR Findings

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                • Gross Pathologic & Surgical Features

                                                                  • Microscopic Features

                                                                    CLINICAL ISSUES

                                                                    • Presentation

                                                                      • Demographics

                                                                        • Natural History & Prognosis

                                                                          • Treatment

                                                                            DIAGNOSTIC CHECKLIST

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Bulut OC et al: Primary neoplasms of the parapharyngeal space: diagnostic and therapeutic pearls and pitfalls. Eur Arch Otorhinolaryngol. ePub, 2021
                                                                              2. Kuet ML et al: Management of tumors arising from the parapharyngeal space: a systematic review of 1,293 cases reported over 25 years. Laryngoscope. 125(6):1372-81, 2015
                                                                              3. Riffat F et al: A systematic review of 1143 parapharyngeal space tumors reported over 20 years. Oral Oncol. 50(5):421-30, 2014
                                                                              4. Kato H et al: Imaging findings of parapharyngeal space pleomorphic adenoma in comparison with parotid gland pleomorphic adenoma. Jpn J Radiol. 31(11):724-30, 2013
                                                                              5. Pelaz AC et al: Simultaneous pleomorphic adenomas of the hard palate and parapharyngeal space. J Craniofac Surg. 20(4):1298-9, 2009
                                                                              6. Zhi K et al: Management of parapharyngeal-space tumors. J Oral Maxillofac Surg. 67(6):1239-44, 2009
                                                                              7. Shi H et al: Pleomorphic adenoma with extensive ossified and calcified degeneration: unusual CT findings in one case. AJNR Am J Neuroradiol. 29(4):737-8, 2008