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Angiolipoma
Kevin R. Moore, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Spinal angiolipoma (SAL)
              • Synonyms

                • Vascular lipoma, hemangiolipoma, fibromyolipoma
              • Definitions

                • Benign tumor of adipose and vascular elements

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Nonvascular Interventions

                        • Imaging Recommendations

                          • Nuclear Medicine Findings

                            DIFFERENTIAL DIAGNOSIS

                              PATHOLOGY

                              • General Features

                                • Gross Pathologic & Surgical Features

                                  • Microscopic Features

                                    CLINICAL ISSUES

                                    • Presentation

                                      • Demographics

                                        • Natural History & Prognosis

                                          • Treatment

                                            DIAGNOSTIC CHECKLIST

                                            • Consider

                                              • Image Interpretation Pearls

                                                Selected References

                                                1. Si Y et al: Spinal angiolipoma: etiology, imaging findings, classification, treatment, and prognosis. Eur Spine J. 23(2):417-25, 2014
                                                2. Hu S et al: MRI features of spinal epidural angiolipomas. Korean J Radiol. 14(5):810-7, 2013
                                                3. Reyes D et al: Thoracolumbar spinal angiolipoma demonstrating high signal on STIR imaging: a case report and review of the literature. Spine J. 13(11):e1-5, 2013
                                                4. Gelabert-González M et al: Spinal extradural angiolipoma: report of two cases and review of the literature. Eur Spine J. 18(3):324-35, 2009
                                                5. Hungs M et al: Spinal angiolipoma: case report and literature review. J Spinal Cord Med. 31(3):315-8, 2008
                                                6. Nanassis K et al: Lumbar spinal epidural angiolipoma. J Clin Neurosci. 15(4):460-3, 2008
                                                7. Yen HL et al: Infiltrating spinal angiolipoma. J Clin Neurosci. 15(10):1170-3, 2008
                                                8. Dogan S et al: Lumbar spinal extradural angiolipomas. Two case reports. Neurol Med Chir (Tokyo). 46(3):157-60, 2006
                                                9. Hattori H: Epidural angiolipoma is histologically distinct from its cutaneous counterpart in the calibre and density of its vascular component; a case report with review of the literature. J Clin Pathol. 58(8):882-3, 2005
                                                10. Hsu CH et al: Angiolipoma detected by F-18 FDG positron emission tomography. Clin Nucl Med. 28(7):604-5, 2003
                                                11. Leu NH et al: MR imaging of an infiltrating spinal epidural angiolipoma. AJNR Am J Neuroradiol. 24(5):1008-11, 2003
                                                12. Gelabert-Gonzalez M et al: Spinal extradural angiolipoma, with a literature review. Childs Nerv Syst. 18(12): 725-8, 2002
                                                13. Amlashi SF et al: Spinal epidural angiolipoma. J Neuroradiol. 28(4): 253-6, 2001
                                                14. Bailey D et al: Dorsal thoracic cord compression from a spinal angiolipoma: case report and brief comment. Conn Med. 64(5): 267-9, 2000
                                                15. Choi JY et al: Angiolipoma of the posterior mediastinum with extension into the spinal canal: a case report. Korean J Radiol. 1(4): 212-4, 2000
                                                16. Klisch J et al: Radiological and histological findings in spinal intramedullary angiolipoma. Neuroradiology. 41(8): 584-7, 1999
                                                17. Labram EK et al: Revisited: spinal angiolipoma--three additional cases. Br J Neurosurg. 13(1): 25-9, 1999
                                                18. Oge HK et al: Spinal angiolipoma: case report and review of literature. J Spinal Disord. 12(4): 353-6, 1999
                                                19. Sciot R et al: Cytogenetic analysis of subcutaneous angiolipoma: further evidence supporting its difference from ordinary pure lipomas: a report of the CHAMP Study Group. Am J Surg Pathol. 21(4):441-4, 1997
                                                20. Fletcher CD et al: Correlation between clinicopathological features and karyotype in lipomatous tumors. A report of 178 cases from the Chromosomes and Morphology (CHAMP) Collaborative Study Group. Am J Pathol. 148(2):623-30, 1996
                                                21. Provenzale JM et al: Spinal angiolipomas: MR features. AJNR Am J Neuroradiol. 17(4): 713-9, 1996
                                                22. Weiss SW: Lipomatous tumors. Monogr Pathol. 38:207-39, 1996
                                                23. Jelinek JS et al: Liposarcoma of the extremities: MR and CT findings in the histologic subtypes. Radiology. 186(2):455-9, 1993
                                                24. Shibata Y et al: Thoracic epidural angiolipoma--case report. Neurol Med Chir (Tokyo). 33(5): 316-9, 1993
                                                25. Pagni CA et al: Spinal epidural angiolipoma: rare or unreported? Neurosurgery. 31(4): 758-64; discussion 764, 1992
                                                26. Stranjalis G et al: MRI in the diagnosis of spinal extradural angiolipoma. Br J Neurosurg. 6(5):481-3, 1992
                                                27. Weill A et al: Spinal angiolipomas: CT and MR aspects. J Comput Assist Tomogr. 15(1): 83-5, 1991
                                                28. Quint DJ et al: Epidural lipomatosis. Radiology. 169(2):485-90, 1988
                                                29. Matsushima K et al: Spinal extradural angiolipoma: MR and CT diagnosis. J Comput Assist Tomogr. 11(6):1104-6, 1987
                                                30. Dixon AY et al: Angiolipomas: an ultrastructural and clinicopathological study. Hum Pathol. 12(8):739-47, 1981
                                                31. HOWARD WR et al: Angiolipoma. Arch Dermatol. 82:924-31, 1960
                                                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

                                                              • Spinal angiolipoma (SAL)
                                                            • Synonyms

                                                              • Vascular lipoma, hemangiolipoma, fibromyolipoma
                                                            • Definitions

                                                              • Benign tumor of adipose and vascular elements

                                                            IMAGING

                                                            • General Features

                                                              • Radiographic Findings

                                                                • CT Findings

                                                                  • MR Findings

                                                                    • Nonvascular Interventions

                                                                      • Imaging Recommendations

                                                                        • Nuclear Medicine Findings

                                                                          DIFFERENTIAL DIAGNOSIS

                                                                            PATHOLOGY

                                                                            • General Features

                                                                              • Gross Pathologic & Surgical Features

                                                                                • Microscopic Features

                                                                                  CLINICAL ISSUES

                                                                                  • Presentation

                                                                                    • Demographics

                                                                                      • Natural History & Prognosis

                                                                                        • Treatment

                                                                                          DIAGNOSTIC CHECKLIST

                                                                                          • Consider

                                                                                            • Image Interpretation Pearls

                                                                                              Selected References

                                                                                              1. Si Y et al: Spinal angiolipoma: etiology, imaging findings, classification, treatment, and prognosis. Eur Spine J. 23(2):417-25, 2014
                                                                                              2. Hu S et al: MRI features of spinal epidural angiolipomas. Korean J Radiol. 14(5):810-7, 2013
                                                                                              3. Reyes D et al: Thoracolumbar spinal angiolipoma demonstrating high signal on STIR imaging: a case report and review of the literature. Spine J. 13(11):e1-5, 2013
                                                                                              4. Gelabert-González M et al: Spinal extradural angiolipoma: report of two cases and review of the literature. Eur Spine J. 18(3):324-35, 2009
                                                                                              5. Hungs M et al: Spinal angiolipoma: case report and literature review. J Spinal Cord Med. 31(3):315-8, 2008
                                                                                              6. Nanassis K et al: Lumbar spinal epidural angiolipoma. J Clin Neurosci. 15(4):460-3, 2008
                                                                                              7. Yen HL et al: Infiltrating spinal angiolipoma. J Clin Neurosci. 15(10):1170-3, 2008
                                                                                              8. Dogan S et al: Lumbar spinal extradural angiolipomas. Two case reports. Neurol Med Chir (Tokyo). 46(3):157-60, 2006
                                                                                              9. Hattori H: Epidural angiolipoma is histologically distinct from its cutaneous counterpart in the calibre and density of its vascular component; a case report with review of the literature. J Clin Pathol. 58(8):882-3, 2005
                                                                                              10. Hsu CH et al: Angiolipoma detected by F-18 FDG positron emission tomography. Clin Nucl Med. 28(7):604-5, 2003
                                                                                              11. Leu NH et al: MR imaging of an infiltrating spinal epidural angiolipoma. AJNR Am J Neuroradiol. 24(5):1008-11, 2003
                                                                                              12. Gelabert-Gonzalez M et al: Spinal extradural angiolipoma, with a literature review. Childs Nerv Syst. 18(12): 725-8, 2002
                                                                                              13. Amlashi SF et al: Spinal epidural angiolipoma. J Neuroradiol. 28(4): 253-6, 2001
                                                                                              14. Bailey D et al: Dorsal thoracic cord compression from a spinal angiolipoma: case report and brief comment. Conn Med. 64(5): 267-9, 2000
                                                                                              15. Choi JY et al: Angiolipoma of the posterior mediastinum with extension into the spinal canal: a case report. Korean J Radiol. 1(4): 212-4, 2000
                                                                                              16. Klisch J et al: Radiological and histological findings in spinal intramedullary angiolipoma. Neuroradiology. 41(8): 584-7, 1999
                                                                                              17. Labram EK et al: Revisited: spinal angiolipoma--three additional cases. Br J Neurosurg. 13(1): 25-9, 1999
                                                                                              18. Oge HK et al: Spinal angiolipoma: case report and review of literature. J Spinal Disord. 12(4): 353-6, 1999
                                                                                              19. Sciot R et al: Cytogenetic analysis of subcutaneous angiolipoma: further evidence supporting its difference from ordinary pure lipomas: a report of the CHAMP Study Group. Am J Surg Pathol. 21(4):441-4, 1997
                                                                                              20. Fletcher CD et al: Correlation between clinicopathological features and karyotype in lipomatous tumors. A report of 178 cases from the Chromosomes and Morphology (CHAMP) Collaborative Study Group. Am J Pathol. 148(2):623-30, 1996
                                                                                              21. Provenzale JM et al: Spinal angiolipomas: MR features. AJNR Am J Neuroradiol. 17(4): 713-9, 1996
                                                                                              22. Weiss SW: Lipomatous tumors. Monogr Pathol. 38:207-39, 1996
                                                                                              23. Jelinek JS et al: Liposarcoma of the extremities: MR and CT findings in the histologic subtypes. Radiology. 186(2):455-9, 1993
                                                                                              24. Shibata Y et al: Thoracic epidural angiolipoma--case report. Neurol Med Chir (Tokyo). 33(5): 316-9, 1993
                                                                                              25. Pagni CA et al: Spinal epidural angiolipoma: rare or unreported? Neurosurgery. 31(4): 758-64; discussion 764, 1992
                                                                                              26. Stranjalis G et al: MRI in the diagnosis of spinal extradural angiolipoma. Br J Neurosurg. 6(5):481-3, 1992
                                                                                              27. Weill A et al: Spinal angiolipomas: CT and MR aspects. J Comput Assist Tomogr. 15(1): 83-5, 1991
                                                                                              28. Quint DJ et al: Epidural lipomatosis. Radiology. 169(2):485-90, 1988
                                                                                              29. Matsushima K et al: Spinal extradural angiolipoma: MR and CT diagnosis. J Comput Assist Tomogr. 11(6):1104-6, 1987
                                                                                              30. Dixon AY et al: Angiolipomas: an ultrastructural and clinicopathological study. Hum Pathol. 12(8):739-47, 1981
                                                                                              31. HOWARD WR et al: Angiolipoma. Arch Dermatol. 82:924-31, 1960