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Solitary Fibrous Tumor
Bryan R. Foster, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Solitary fibrous tumor (SFT)
            • Synonyms

              • Includes tumors formerly known as hemangiopericytoma, which is now recognized to be SFT by latest WHO classification of tumors of soft tissue
            • Definitions

              • Mesenchymal neoplasm that arises from fibroblasts or myofibroblasts, which is most commonly found in thorax but can occur anywhere, including extremities, retroperitoneum, pelvis, and head/neck

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Ultrasonographic Findings

                    • Nuclear Medicine 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. Schöffski P et al: Clinical presentation, natural history, and therapeutic approach in patients with solitary fibrous tumor: a retrospective analysis. Sarcoma. 2020:1385978, 2020
                                        2. Seo JH et al: Retroperitoneal solitary fibrous tumor. J Belg Soc Radiol. 104(1):35, 2020
                                        3. Fernandez A et al: Solitary fibrous tumor in the abdomen and pelvis: a case series with radiological findings and treatment recommendations. Clin Imaging. 48:48-54, 2018
                                        4. Levy AD et al: Soft-tissue sarcomas of the abdomen and pelvis: radiologic-pathologic features, part 2-uncommon sarcomas. Radiographics. 37(3):797-812, 2017
                                        5. Li XM et al: Solitary fibrous tumors in abdomen and pelvis: imaging characteristics and radiologic-pathologic correlation. World J Gastroenterol. 20(17):5066-73, 2014
                                        6. Shanbhogue AK et al: Somatic and visceral solitary fibrous tumors in the abdomen and pelvis: cross-sectional imaging spectrum. Radiographics. 31(2):393-408, 2011
                                        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

                                                    • Solitary fibrous tumor (SFT)
                                                  • Synonyms

                                                    • Includes tumors formerly known as hemangiopericytoma, which is now recognized to be SFT by latest WHO classification of tumors of soft tissue
                                                  • Definitions

                                                    • Mesenchymal neoplasm that arises from fibroblasts or myofibroblasts, which is most commonly found in thorax but can occur anywhere, including extremities, retroperitoneum, pelvis, and head/neck

                                                  IMAGING

                                                  • General Features

                                                    • CT Findings

                                                      • MR Findings

                                                        • Ultrasonographic Findings

                                                          • Nuclear Medicine 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. Schöffski P et al: Clinical presentation, natural history, and therapeutic approach in patients with solitary fibrous tumor: a retrospective analysis. Sarcoma. 2020:1385978, 2020
                                                                              2. Seo JH et al: Retroperitoneal solitary fibrous tumor. J Belg Soc Radiol. 104(1):35, 2020
                                                                              3. Fernandez A et al: Solitary fibrous tumor in the abdomen and pelvis: a case series with radiological findings and treatment recommendations. Clin Imaging. 48:48-54, 2018
                                                                              4. Levy AD et al: Soft-tissue sarcomas of the abdomen and pelvis: radiologic-pathologic features, part 2-uncommon sarcomas. Radiographics. 37(3):797-812, 2017
                                                                              5. Li XM et al: Solitary fibrous tumors in abdomen and pelvis: imaging characteristics and radiologic-pathologic correlation. World J Gastroenterol. 20(17):5066-73, 2014
                                                                              6. Shanbhogue AK et al: Somatic and visceral solitary fibrous tumors in the abdomen and pelvis: cross-sectional imaging spectrum. Radiographics. 31(2):393-408, 2011