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Chest Wall Lipoma and Liposarcoma
John P. Lichtenberger, III, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Liposarcoma (LS)
                  • Atypical lipomatous tumor (ATL)
                  • Well-differentiated liposarcoma (WDL)
                  • Dedifferentiated liposarcoma (DDL)
              • Definitions

                • Lipoma: Benign neoplasm composed of adipose tissue
                • Liposarcoma: Rare malignant neoplasm arising in fat cells

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Ultrasonographic 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

                                                • Reporting Tips

                                                  Selected References

                                                  1. Khashper A et al: Imaging characteristics of spindle cell lipoma and its variants. Skeletal Radiol. 43(5):591-7, 2014
                                                  2. Brisson M et al: MRI characteristics of lipoma and atypical lipomatous tumor/well-differentiated liposarcoma: retrospective comparison with histology and MDM2 gene amplification. Skeletal Radiol. 42(5):635-47, 2013
                                                  3. O'Regan KN et al: Imaging of liposarcoma: classification, patterns of tumor recurrence, and response to treatment. AJR Am J Roentgenol. 197(1):W37-43, 2011
                                                  4. Shah AA et al: Primary chest wall tumors. J Am Coll Surg. 210(3):360-6, 2010
                                                  5. Murphey MD et al: From the archives of the AFIP: benign musculoskeletal lipomatous lesions. Radiographics. 24(5):1433-66, 2004
                                                  Related Anatomy
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                                                  Related Differential Diagnoses
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                                                  References
                                                  Tables

                                                  Tables

                                                  KEY FACTS

                                                  • Terminology

                                                    • Imaging

                                                      • Top Differential Diagnoses

                                                        • Pathology

                                                          • Clinical Issues

                                                            • Diagnostic Checklist

                                                              TERMINOLOGY

                                                              • Abbreviations

                                                                • Liposarcoma (LS)
                                                                  • Atypical lipomatous tumor (ATL)
                                                                  • Well-differentiated liposarcoma (WDL)
                                                                  • Dedifferentiated liposarcoma (DDL)
                                                              • Definitions

                                                                • Lipoma: Benign neoplasm composed of adipose tissue
                                                                • Liposarcoma: Rare malignant neoplasm arising in fat cells

                                                              IMAGING

                                                              • General Features

                                                                • Radiographic Findings

                                                                  • CT Findings

                                                                    • MR Findings

                                                                      • Ultrasonographic 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

                                                                                                • Reporting Tips

                                                                                                  Selected References

                                                                                                  1. Khashper A et al: Imaging characteristics of spindle cell lipoma and its variants. Skeletal Radiol. 43(5):591-7, 2014
                                                                                                  2. Brisson M et al: MRI characteristics of lipoma and atypical lipomatous tumor/well-differentiated liposarcoma: retrospective comparison with histology and MDM2 gene amplification. Skeletal Radiol. 42(5):635-47, 2013
                                                                                                  3. O'Regan KN et al: Imaging of liposarcoma: classification, patterns of tumor recurrence, and response to treatment. AJR Am J Roentgenol. 197(1):W37-43, 2011
                                                                                                  4. Shah AA et al: Primary chest wall tumors. J Am Coll Surg. 210(3):360-6, 2010
                                                                                                  5. Murphey MD et al: From the archives of the AFIP: benign musculoskeletal lipomatous lesions. Radiographics. 24(5):1433-66, 2004