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Sinonasal Organized Hematoma
Philip R. Chapman, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Sinonasal organized hematoma (SOH)
            • Synonyms

              • Blood boil, hematoma, hematoma-like mass, hematocele, hemorrhagic pseudotumor
            • Definitions

              • Rare, nonneoplastic, expansile process by which recurring hemorrhage within obstructed paranasal sinus provokes proliferative fibrotic response with neovascularization

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      Selected References

                                      1. Kim JS et al: The increasing incidence of paranasal organizing hematoma: a 20-year experience of 23 cases at a single center. Rhinology. 54(2):176-82, 2016
                                      2. Choi SJ et al: Sinonasal organized hematoma: Clinical features of seventeen cases and a systematic review. Laryngoscope. 125(9):2027-33, 2015
                                      3. Hur J et al: Imaging characteristics of sinonasal organized hematoma. Acta Radiol. 56(8):955-9, 2015
                                      4. Ohta N et al: Clinical and pathological characteristics of organized hematoma. Int J Otolaryngol. 2013:539642, 2013
                                      5. Lee LN et al: Radiology quiz case 3. Organizing hematoma of maxillary sinus (OHMS). Arch Otolaryngol Head Neck Surg. 137(4):406, 2011
                                      6. Kim EY et al: Sinonasal organized hematoma: CT and MR imaging findings. AJNR Am J Neuroradiol. 29(6):1204-8, 2008
                                      7. Nishiguchi T et al: Expansile organized maxillary sinus hematoma: MR and CT findings and review of literature. AJNR Am J Neuroradiol. 28(7):1375-7, 2007
                                      8. Song HM et al: Organizing hematoma of the maxillary sinus. Otolaryngol Head Neck Surg. 136(4):616-20, 2007
                                      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

                                                • Abbreviations

                                                  • Sinonasal organized hematoma (SOH)
                                                • Synonyms

                                                  • Blood boil, hematoma, hematoma-like mass, hematocele, hemorrhagic pseudotumor
                                                • Definitions

                                                  • Rare, nonneoplastic, expansile process by which recurring hemorrhage within obstructed paranasal sinus provokes proliferative fibrotic response with neovascularization

                                                IMAGING

                                                • General Features

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              • Gross Pathologic & Surgical Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          Selected References

                                                                          1. Kim JS et al: The increasing incidence of paranasal organizing hematoma: a 20-year experience of 23 cases at a single center. Rhinology. 54(2):176-82, 2016
                                                                          2. Choi SJ et al: Sinonasal organized hematoma: Clinical features of seventeen cases and a systematic review. Laryngoscope. 125(9):2027-33, 2015
                                                                          3. Hur J et al: Imaging characteristics of sinonasal organized hematoma. Acta Radiol. 56(8):955-9, 2015
                                                                          4. Ohta N et al: Clinical and pathological characteristics of organized hematoma. Int J Otolaryngol. 2013:539642, 2013
                                                                          5. Lee LN et al: Radiology quiz case 3. Organizing hematoma of maxillary sinus (OHMS). Arch Otolaryngol Head Neck Surg. 137(4):406, 2011
                                                                          6. Kim EY et al: Sinonasal organized hematoma: CT and MR imaging findings. AJNR Am J Neuroradiol. 29(6):1204-8, 2008
                                                                          7. Nishiguchi T et al: Expansile organized maxillary sinus hematoma: MR and CT findings and review of literature. AJNR Am J Neuroradiol. 28(7):1375-7, 2007
                                                                          8. Song HM et al: Organizing hematoma of the maxillary sinus. Otolaryngol Head Neck Surg. 136(4):616-20, 2007