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Epithelioid Sarcoma
Catherine C. Roberts, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Abbreviations

            • Epithelioid sarcoma (ES)
          • Definitions

            • Aggressive soft tissue sarcoma of uncertain differentiation with tendency to propagate along fascia, tendon sheaths, nerve sheaths, and lymphatics

          IMAGING

          • General Features

            • Radiographic Findings

              • 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. Wadhwa V et al: Epithelioid sarcoma presenting as radial mononeuropathy: anatomical, magnetic resonance neurography and diffusion tensor imaging appearances. Skeletal Radiol. 42(6):853-8, 2013
                                    2. Fujii H et al: Epithelioid sarcoma of the forearm arising from perineural sheath of median nerve mimicking carpal tunnel syndrome. Sarcoma. 2009:595391, 2009
                                    3. Sakamoto A et al: Epithelioid sarcoma with muscle metastasis detected by positron emission tomography. World J Surg Oncol. 6:84, 2008
                                    4. Weiss SW et al: Malignant soft tissue tumors of uncertain type. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Philadelphia: Elsevier. 1191-1203, 2008
                                    5. Harish S et al: Epithelioid sarcoma of the median nerve mimicking a peripheral nerve sheath tumour. Australas Radiol. 51(1):71-4, 2007
                                    6. Kransdorf MJ et al: Tumors of uncertain histogenesis. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 2nd ed. Philadelphia: Lippincott Williams & Wilkins. 195-6, 2006
                                    7. Chao KC et al: MRI of epithelioid sarcoma of the thigh. Clin Imaging. 29(1):60-3, 2005
                                    8. Guillou L et al: Epithelioid sarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone. Lyon: IARC Press. 205-7, 2002
                                    9. Tateishi U et al: Radiologic manifestations of proximal-type epithelioid sarcoma of the soft tissues. AJR Am J Roentgenol. 179(4):973-7, 2002
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Clinical Issues

                                          • Diagnostic Checklist

                                            TERMINOLOGY

                                            • Abbreviations

                                              • Epithelioid sarcoma (ES)
                                            • Definitions

                                              • Aggressive soft tissue sarcoma of uncertain differentiation with tendency to propagate along fascia, tendon sheaths, nerve sheaths, and lymphatics

                                            IMAGING

                                            • General Features

                                              • Radiographic Findings

                                                • 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. Wadhwa V et al: Epithelioid sarcoma presenting as radial mononeuropathy: anatomical, magnetic resonance neurography and diffusion tensor imaging appearances. Skeletal Radiol. 42(6):853-8, 2013
                                                                      2. Fujii H et al: Epithelioid sarcoma of the forearm arising from perineural sheath of median nerve mimicking carpal tunnel syndrome. Sarcoma. 2009:595391, 2009
                                                                      3. Sakamoto A et al: Epithelioid sarcoma with muscle metastasis detected by positron emission tomography. World J Surg Oncol. 6:84, 2008
                                                                      4. Weiss SW et al: Malignant soft tissue tumors of uncertain type. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Philadelphia: Elsevier. 1191-1203, 2008
                                                                      5. Harish S et al: Epithelioid sarcoma of the median nerve mimicking a peripheral nerve sheath tumour. Australas Radiol. 51(1):71-4, 2007
                                                                      6. Kransdorf MJ et al: Tumors of uncertain histogenesis. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 2nd ed. Philadelphia: Lippincott Williams & Wilkins. 195-6, 2006
                                                                      7. Chao KC et al: MRI of epithelioid sarcoma of the thigh. Clin Imaging. 29(1):60-3, 2005
                                                                      8. Guillou L et al: Epithelioid sarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone. Lyon: IARC Press. 205-7, 2002
                                                                      9. Tateishi U et al: Radiologic manifestations of proximal-type epithelioid sarcoma of the soft tissues. AJR Am J Roentgenol. 179(4):973-7, 2002