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Masticator Space Sarcoma
Bronwyn E. Hamilton, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Sarcoma, masticator space (SA-MS)
              • Many types: Rhabdomyosarcoma, leiomyosarcoma, Ewing sarcoma, synovial sarcoma, liposarcoma, fibrosarcoma
            • Definitions

              • SA-MS: Malignant tumor of soft tissue origin (fat, muscle, nerve, joint, blood vessel, or deep skin tissues) in MS of suprahyoid neck

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Nuclear Medicine Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Staging, Grading, & Classification

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          • Image Interpretation Pearls

                                            Selected References

                                            1. van den Berg H et al: Incidence and grading of cranio-facial osteosarcomas. Int J Oral Maxillofac Surg. 43(1):7-12, 2014
                                            2. Abdel Razek AA et al: Role of diffusion-weighted MRI in differentiation of masticator space malignancy from infection. Dentomaxillofac Radiol. 42(4):20120183, 2013
                                            3. Wang S et al: Osteosarcoma of the jaws: demographic and CT imaging features. Dentomaxillofac Radiol. 41(1):37-42, 2012
                                            4. Abrigo JM et al: MRI of radiation-induced tumors of the head and neck in post-radiation nasopharyngeal carcinoma. Eur Radiol. 19(5):1197-205, 2009
                                            5. Niedzielska I et al: Low-grade myofibroblastic sarcoma of the mandible: a case report. J Med Case Reports. 3:8458, 2009
                                            6. Makimoto Y et al: Imaging findings of radiation-induced sarcoma of the head and neck. Br J Radiol. 80(958):790-7, 2007
                                            7. Nashida Y et al: Radiofrequency ablation used for the treatment of frequently recurrent rhabdomyosarcoma in the masticator space in a 10-year-old girl. J Pediatr Hematol Oncol. 29(9):640-2, 2007
                                            8. Shuman AG et al: Successful multimodal treatment of a carcinosarcoma of the masticator space. J Otolaryngol. 36(3):E28-30, 2007
                                            9. Zaytoun G et al: Atypical lipomatous tumors of the face: a controversial issue. Eur Arch Otorhinolaryngol. 263(12):1065-9, 2006
                                            10. Atanasov DT et al: Sarcomas of the mandible. Literature review and case reports. Folia Med (Plovdiv). 46(2):31-5, 2004
                                            11. Carlson ER et al: Sarcoma of mandible. J Oral Maxillofac Surg. 62(1):81-7, 2004
                                            12. Hain SF et al: Can FDG PET be used to successfully direct preoperative biopsy of soft tissue tumours? Nucl Med Commun. 24(11):1139-43, 2003
                                            13. O'Sullivan B et al: Preoperative radiotherapy for adult head and neck soft tissue sarcoma: assessment of wound complication rates and cancer outcome in a prospective series. World J Surg. 27(7):875-83, 2003
                                            14. Pandey M et al: Soft tissue sarcoma of the head and neck region in adults. Int J Oral Maxillofac Surg. 32(1):43-8, 2003
                                            15. Potter BO et al: Sarcomas of the head and neck. Surg Oncol Clin N Am. 12(2):379-417, 2003
                                            16. Johns MM et al: Early-onset postirradiation sarcoma of the head and neck: report of three cases. Ear Nose Throat J. 81(6):402-6, 2002
                                            17. Folpe AL et al: (F-18) fluorodeoxyglucose positron emission tomography as a predictor of pathologic grade and other prognostic variables in bone and soft tissue sarcoma. Clin Cancer Res. 6(4):1279-87, 2000
                                            18. Fonseca AS et al: Ewing's sarcoma of the head and neck. Sao Paulo Med J. 118(6):198-200, 2000
                                            19. Patel SG et al: Radiation induced sarcoma of the head and neck. Head Neck. 21(4):346-54, 1999
                                            20. Vaccani JP et al: Ewing's sarcoma of the head and neck in children. Int J Pediatr Otorhinolaryngol. 48(3):209-16, 1999
                                            21. Cihak RA et al: Synovial sarcoma of the head and neck: chromosomal translation (X;18) as a diagnostic aid. Head Neck. 19(6):549-53, 1997
                                            22. Som PM et al: A re-evaluation of imaging criteria to assess aggressive masticator space tumors. Head Neck. 19(4):335-41, 1997
                                            23. Bonetta A et al: Postradiation sarcoma of head and neck: report of two cases. Tumori. 82(3):270-2, 1996
                                            24. Lyos AT et al: Soft tissue sarcoma of the head and neck in children and adolescents. Cancer. 77(1):193-200, 1996
                                            25. Le Vay J et al: An assessment of prognostic factors in soft-tissue sarcoma of the head and neck. Arch Otolaryngol Head Neck Surg. 120(9):981-6, 1994
                                            26. Singh B et al: Kaposi's sarcoma of the head and neck in patients with acquired immunodeficiency syndrome. Otolaryngol Head Neck Surg. 111(5):618-24, 1994
                                            27. Mark RJ et al: Postirradiation sarcoma of the head and neck. Cancer. 72(3):887-93, 1993
                                            28. Bukachevsky RP et al: Synovial sarcoma of the head and neck. Head Neck. 14(1):44-8, 1992
                                            29. Wanebo HJ et al: Head and neck sarcoma: report of the Head and Neck Sarcoma Registry. Society of Head and Neck Surgeons Committee on Research. Head Neck. 14(1):1-7, 1992
                                            30. Mamede RM et al: Prognosis of Ewing's sarcoma of the head and neck. Otolaryngol Head Neck Surg. 102(6):650-3, 1990
                                            31. Stafford ND et al: Kaposi's sarcoma of the head and neck in patients with AIDS. J Laryngol Otol. 103(4):379-82, 1989
                                            32. Makra C: [The role of health education in preventive programs.] Fogorv Sz. 80(7):205-7, 1987
                                            33. Moore DM et al: Synovial sarcoma of the head and neck. Arch Otolaryngol Head Neck Surg. 113(3):311-3, 1987
                                            34. Gnepp DR et al: Primary Kaposi's sarcoma of the head and neck. Ann Intern Med. 100(1):107-14, 1984
                                            35. Coia LR et al: Postirradiation sarcoma of the head and neck: a report of three late sarcomas following therapeutic irradiation for primary malignancies of the paranasal sinus, nasal cavity, and larynx. Cancer. 46(9):1982-5, 1980
                                            36. Goepfert H et al: Soft-tissue sarcoma of the head and neck after puberty. Arch Otolaryngol. 103(6):365-8, 1977
                                            Related Anatomy
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                                            Related Differential Diagnoses
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                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Terminology

                                              • Imaging

                                                • Top Differential Diagnoses

                                                  • Clinical Issues

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Synonyms

                                                        • Sarcoma, masticator space (SA-MS)
                                                        • Many types: Rhabdomyosarcoma, leiomyosarcoma, Ewing sarcoma, synovial sarcoma, liposarcoma, fibrosarcoma
                                                      • Definitions

                                                        • SA-MS: Malignant tumor of soft tissue origin (fat, muscle, nerve, joint, blood vessel, or deep skin tissues) in MS of suprahyoid neck

                                                      IMAGING

                                                      • General Features

                                                        • CT Findings

                                                          • MR Findings

                                                            • Nuclear Medicine Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Staging, Grading, & Classification

                                                                      • Gross Pathologic & Surgical Features

                                                                        • Microscopic Features

                                                                          CLINICAL ISSUES

                                                                          • Presentation

                                                                            • Demographics

                                                                              • Natural History & Prognosis

                                                                                • Treatment

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Consider

                                                                                    • Image Interpretation Pearls

                                                                                      Selected References

                                                                                      1. van den Berg H et al: Incidence and grading of cranio-facial osteosarcomas. Int J Oral Maxillofac Surg. 43(1):7-12, 2014
                                                                                      2. Abdel Razek AA et al: Role of diffusion-weighted MRI in differentiation of masticator space malignancy from infection. Dentomaxillofac Radiol. 42(4):20120183, 2013
                                                                                      3. Wang S et al: Osteosarcoma of the jaws: demographic and CT imaging features. Dentomaxillofac Radiol. 41(1):37-42, 2012
                                                                                      4. Abrigo JM et al: MRI of radiation-induced tumors of the head and neck in post-radiation nasopharyngeal carcinoma. Eur Radiol. 19(5):1197-205, 2009
                                                                                      5. Niedzielska I et al: Low-grade myofibroblastic sarcoma of the mandible: a case report. J Med Case Reports. 3:8458, 2009
                                                                                      6. Makimoto Y et al: Imaging findings of radiation-induced sarcoma of the head and neck. Br J Radiol. 80(958):790-7, 2007
                                                                                      7. Nashida Y et al: Radiofrequency ablation used for the treatment of frequently recurrent rhabdomyosarcoma in the masticator space in a 10-year-old girl. J Pediatr Hematol Oncol. 29(9):640-2, 2007
                                                                                      8. Shuman AG et al: Successful multimodal treatment of a carcinosarcoma of the masticator space. J Otolaryngol. 36(3):E28-30, 2007
                                                                                      9. Zaytoun G et al: Atypical lipomatous tumors of the face: a controversial issue. Eur Arch Otorhinolaryngol. 263(12):1065-9, 2006
                                                                                      10. Atanasov DT et al: Sarcomas of the mandible. Literature review and case reports. Folia Med (Plovdiv). 46(2):31-5, 2004
                                                                                      11. Carlson ER et al: Sarcoma of mandible. J Oral Maxillofac Surg. 62(1):81-7, 2004
                                                                                      12. Hain SF et al: Can FDG PET be used to successfully direct preoperative biopsy of soft tissue tumours? Nucl Med Commun. 24(11):1139-43, 2003
                                                                                      13. O'Sullivan B et al: Preoperative radiotherapy for adult head and neck soft tissue sarcoma: assessment of wound complication rates and cancer outcome in a prospective series. World J Surg. 27(7):875-83, 2003
                                                                                      14. Pandey M et al: Soft tissue sarcoma of the head and neck region in adults. Int J Oral Maxillofac Surg. 32(1):43-8, 2003
                                                                                      15. Potter BO et al: Sarcomas of the head and neck. Surg Oncol Clin N Am. 12(2):379-417, 2003
                                                                                      16. Johns MM et al: Early-onset postirradiation sarcoma of the head and neck: report of three cases. Ear Nose Throat J. 81(6):402-6, 2002
                                                                                      17. Folpe AL et al: (F-18) fluorodeoxyglucose positron emission tomography as a predictor of pathologic grade and other prognostic variables in bone and soft tissue sarcoma. Clin Cancer Res. 6(4):1279-87, 2000
                                                                                      18. Fonseca AS et al: Ewing's sarcoma of the head and neck. Sao Paulo Med J. 118(6):198-200, 2000
                                                                                      19. Patel SG et al: Radiation induced sarcoma of the head and neck. Head Neck. 21(4):346-54, 1999
                                                                                      20. Vaccani JP et al: Ewing's sarcoma of the head and neck in children. Int J Pediatr Otorhinolaryngol. 48(3):209-16, 1999
                                                                                      21. Cihak RA et al: Synovial sarcoma of the head and neck: chromosomal translation (X;18) as a diagnostic aid. Head Neck. 19(6):549-53, 1997
                                                                                      22. Som PM et al: A re-evaluation of imaging criteria to assess aggressive masticator space tumors. Head Neck. 19(4):335-41, 1997
                                                                                      23. Bonetta A et al: Postradiation sarcoma of head and neck: report of two cases. Tumori. 82(3):270-2, 1996
                                                                                      24. Lyos AT et al: Soft tissue sarcoma of the head and neck in children and adolescents. Cancer. 77(1):193-200, 1996
                                                                                      25. Le Vay J et al: An assessment of prognostic factors in soft-tissue sarcoma of the head and neck. Arch Otolaryngol Head Neck Surg. 120(9):981-6, 1994
                                                                                      26. Singh B et al: Kaposi's sarcoma of the head and neck in patients with acquired immunodeficiency syndrome. Otolaryngol Head Neck Surg. 111(5):618-24, 1994
                                                                                      27. Mark RJ et al: Postirradiation sarcoma of the head and neck. Cancer. 72(3):887-93, 1993
                                                                                      28. Bukachevsky RP et al: Synovial sarcoma of the head and neck. Head Neck. 14(1):44-8, 1992
                                                                                      29. Wanebo HJ et al: Head and neck sarcoma: report of the Head and Neck Sarcoma Registry. Society of Head and Neck Surgeons Committee on Research. Head Neck. 14(1):1-7, 1992
                                                                                      30. Mamede RM et al: Prognosis of Ewing's sarcoma of the head and neck. Otolaryngol Head Neck Surg. 102(6):650-3, 1990
                                                                                      31. Stafford ND et al: Kaposi's sarcoma of the head and neck in patients with AIDS. J Laryngol Otol. 103(4):379-82, 1989
                                                                                      32. Makra C: [The role of health education in preventive programs.] Fogorv Sz. 80(7):205-7, 1987
                                                                                      33. Moore DM et al: Synovial sarcoma of the head and neck. Arch Otolaryngol Head Neck Surg. 113(3):311-3, 1987
                                                                                      34. Gnepp DR et al: Primary Kaposi's sarcoma of the head and neck. Ann Intern Med. 100(1):107-14, 1984
                                                                                      35. Coia LR et al: Postirradiation sarcoma of the head and neck: a report of three late sarcomas following therapeutic irradiation for primary malignancies of the paranasal sinus, nasal cavity, and larynx. Cancer. 46(9):1982-5, 1980
                                                                                      36. Goepfert H et al: Soft-tissue sarcoma of the head and neck after puberty. Arch Otolaryngol. 103(6):365-8, 1977