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Renal Angiomyolipoma
Jade Wong-You-Cheong, MBChB, MRCP, FRCR, FSRU, FSAR
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Clinical Issues

        TERMINOLOGY

        • Abbreviations

          • Angiomyolipoma (AML)

        IMAGING

        • General Features

          • Ultrasonographic Findings

            • CT Findings

              • MR Findings

                • Angiographic Findings

                  • Imaging Recommendations

                    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. Cao H et al: The independent indicators for differentiating renal cell carcinoma from renal angiomyolipoma by contrast-enhanced ultrasound. BMC Med Imaging. 20(1):32, 2020
                                      2. de Silva S et al: Frequency of angiomyolipomas among echogenic nonshadowing renal masses (> 4 mm) found at ultrasound and the utility of MRI for diagnosis. AJR Am J Roentgenol. 209(5):1074-80, 2017
                                      3. Jinzaki M et al: Diagnosis of renal angiomyolipomas: classic, fat-poor, and epithelioid types. Semin Ultrasound CT MR. 38(1):37-46, 2017
                                      4. King KG et al: Quantitative assessment of solid renal masses by contrast-enhanced ultrasound with time-intensity curves: how we do it. Abdom Imaging. 40(7):2461-71, 2015
                                      5. Schieda N et al: Ten uncommon and unusual variants of renal angiomyolipoma (AML): radiologic-pathologic correlation. Clin Radiol. 70(2):206-20, 2015
                                      6. Fittschen A et al: Prevalence of sporadic renal angiomyolipoma: a retrospective analysis of 61,389 in- and out-patients. Abdom Imaging. 39(5):1009-13, 2014
                                      7. Hocquelet A et al: Long-term results of preventive embolization of renal angiomyolipomas: evaluation of predictive factors of volume decrease. Eur Radiol. 24(8):1785-93, 2014
                                      8. Jinzaki M et al: Renal angiomyolipoma: a radiological classification and update on recent developments in diagnosis and management. Abdom Imaging. 39(3):588-604, 2014
                                      9. Kaler KS et al: Angiomyolipoma with caval extension and regional nodal involvement: aggressive behaviour or just rare natural history? Case report and review of literature. Can Urol Assoc J. 8(3-4):E276-8, 2014
                                      10. Maclean DF et al: Is the follow-up of small renal angiomyolipomas a necessary precaution? Clin Radiol. 69(8):822-6, 2014
                                      11. Ouzaid I et al: Active surveillance for renal angiomyolipoma: outcomes and factors predictive of delayed intervention. BJU Int. 114(3):412-7, 2014
                                      12. Shen G et al: Aggressive renal angiomyolipoma with vena cava extension: a case report and literature review. Oncol Lett. 8(5):1980-2, 2014
                                      13. Chen CL et al: Calcified, minimally fat-contained angiomyolipoma clinically indistinguishable from a renal cell carcinoma. BMC Nephrol. 14:160, 2013
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Clinical Issues

                                            TERMINOLOGY

                                            • Abbreviations

                                              • Angiomyolipoma (AML)

                                            IMAGING

                                            • General Features

                                              • Ultrasonographic Findings

                                                • CT Findings

                                                  • MR Findings

                                                    • Angiographic Findings

                                                      • Imaging Recommendations

                                                        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. Cao H et al: The independent indicators for differentiating renal cell carcinoma from renal angiomyolipoma by contrast-enhanced ultrasound. BMC Med Imaging. 20(1):32, 2020
                                                                          2. de Silva S et al: Frequency of angiomyolipomas among echogenic nonshadowing renal masses (> 4 mm) found at ultrasound and the utility of MRI for diagnosis. AJR Am J Roentgenol. 209(5):1074-80, 2017
                                                                          3. Jinzaki M et al: Diagnosis of renal angiomyolipomas: classic, fat-poor, and epithelioid types. Semin Ultrasound CT MR. 38(1):37-46, 2017
                                                                          4. King KG et al: Quantitative assessment of solid renal masses by contrast-enhanced ultrasound with time-intensity curves: how we do it. Abdom Imaging. 40(7):2461-71, 2015
                                                                          5. Schieda N et al: Ten uncommon and unusual variants of renal angiomyolipoma (AML): radiologic-pathologic correlation. Clin Radiol. 70(2):206-20, 2015
                                                                          6. Fittschen A et al: Prevalence of sporadic renal angiomyolipoma: a retrospective analysis of 61,389 in- and out-patients. Abdom Imaging. 39(5):1009-13, 2014
                                                                          7. Hocquelet A et al: Long-term results of preventive embolization of renal angiomyolipomas: evaluation of predictive factors of volume decrease. Eur Radiol. 24(8):1785-93, 2014
                                                                          8. Jinzaki M et al: Renal angiomyolipoma: a radiological classification and update on recent developments in diagnosis and management. Abdom Imaging. 39(3):588-604, 2014
                                                                          9. Kaler KS et al: Angiomyolipoma with caval extension and regional nodal involvement: aggressive behaviour or just rare natural history? Case report and review of literature. Can Urol Assoc J. 8(3-4):E276-8, 2014
                                                                          10. Maclean DF et al: Is the follow-up of small renal angiomyolipomas a necessary precaution? Clin Radiol. 69(8):822-6, 2014
                                                                          11. Ouzaid I et al: Active surveillance for renal angiomyolipoma: outcomes and factors predictive of delayed intervention. BJU Int. 114(3):412-7, 2014
                                                                          12. Shen G et al: Aggressive renal angiomyolipoma with vena cava extension: a case report and literature review. Oncol Lett. 8(5):1980-2, 2014
                                                                          13. Chen CL et al: Calcified, minimally fat-contained angiomyolipoma clinically indistinguishable from a renal cell carcinoma. BMC Nephrol. 14:160, 2013