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Myxoid Liposarcoma
Catherine C. Roberts, MD; B.J. Manaster, MD, PhD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          TERMINOLOGY

          • Synonyms

            • Round cell liposarcoma
          • Definitions

            • Malignant tumor encompassing continuum from highly differentiated myxoid tissue with lipoblasts to poorly differentiated round cells

          IMAGING

          • General Features

            • Imaging Recommendations

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    Selected References

                                    1. Wortman JR et al: Neoadjuvant radiation in primary extremity liposarcoma: correlation of MRI features with histopathology. Eur Radiol. ePub, 2015
                                    2. Mankin HJ et al: Liposarcoma: a soft tissue tumor with many presentations. Musculoskelet Surg. 98(3):171-7, 2014
                                    3. Petscavage-Thomas JM et al: Soft-tissue myxomatous lesions: review of salient imaging features with pathologic comparison. Radiographics. 34(4):964-80, 2014
                                    4. Craig WD et al: Fat-containing lesions of the retroperitoneum: radiologic-pathologic correlation. Radiographics. 29(1):261-90, 2009
                                    5. Sheah K et al: Metastatic myxoid liposarcomas: imaging and histopathologic findings. Skeletal Radiol. 37(3):251-8, 2008
                                    6. Weiss SW et al: Liposarcoma. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Philadelphia: Elsevier. 498-509, 2008
                                    7. Kransdorf MJ et al: Lipomatous tumors. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 2nd ed. Philadelphia: Lippincott Williams & Wilkins. 125-38, 2006
                                    8. Antonescu et al: Myxoid liposarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone. Lyon: IARC Press. 40-3, 2002
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Pathology

                                          • Clinical Issues

                                            TERMINOLOGY

                                            • Synonyms

                                              • Round cell liposarcoma
                                            • Definitions

                                              • Malignant tumor encompassing continuum from highly differentiated myxoid tissue with lipoblasts to poorly differentiated round cells

                                            IMAGING

                                            • General Features

                                              • Imaging Recommendations

                                                • Radiographic Findings

                                                  • CT Findings

                                                    • MR Findings

                                                      • Ultrasonographic Findings

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            • Gross Pathologic & Surgical Features

                                                              • Microscopic Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      Selected References

                                                                      1. Wortman JR et al: Neoadjuvant radiation in primary extremity liposarcoma: correlation of MRI features with histopathology. Eur Radiol. ePub, 2015
                                                                      2. Mankin HJ et al: Liposarcoma: a soft tissue tumor with many presentations. Musculoskelet Surg. 98(3):171-7, 2014
                                                                      3. Petscavage-Thomas JM et al: Soft-tissue myxomatous lesions: review of salient imaging features with pathologic comparison. Radiographics. 34(4):964-80, 2014
                                                                      4. Craig WD et al: Fat-containing lesions of the retroperitoneum: radiologic-pathologic correlation. Radiographics. 29(1):261-90, 2009
                                                                      5. Sheah K et al: Metastatic myxoid liposarcomas: imaging and histopathologic findings. Skeletal Radiol. 37(3):251-8, 2008
                                                                      6. Weiss SW et al: Liposarcoma. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Philadelphia: Elsevier. 498-509, 2008
                                                                      7. Kransdorf MJ et al: Lipomatous tumors. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 2nd ed. Philadelphia: Lippincott Williams & Wilkins. 125-38, 2006
                                                                      8. Antonescu et al: Myxoid liposarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone. Lyon: IARC Press. 40-3, 2002