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Renal Lipomatosis
Alessandro Furlan, MD; Amir A. Borhani, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Synonyms

            • Renal sinus lipomatosis (RSL), renal replacement lipomatosis (RRL)
          • Definitions

            • Fatty tissue proliferation in renal sinus (renal sinus lipomatosis) that in extreme cases can replace renal parenchyma (renal replacement lipomatosis)

          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

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Ratkal V et al: Renal replacement lipomatosis of the right kidney. BMJ Case Rep. 2015, 2015
                                        2. Fitzgerald E et al: MRI appearance of massive renal replacement lipomatosis in the absence of renal calculus disease. Br J Radiol. 84(998):e41-4, 2011
                                        3. Dogra VS et al: Replacement renal sinus lipomatosis of the kidney. Ultrasound Q. 25(2):71-3, 2009
                                        4. Laouad I et al: Replacement kidney lipomatosis after renal transplantation. Transplantation. 79(4):496-8, 2005
                                        5. Rha SE et al: The renal sinus: pathologic spectrum and multimodality imaging approach. Radiographics. 24 Suppl 1:S117-31, 2004
                                        6. Subramanyam BR et al: Replacement lipomatosis of the kidney: diagnosis by computed tomography and sonography. Radiology. 148(3):791-2, 1983
                                        7. Ambos MA et al: Replacement lipomatosis of the kidney. AJR Am J Roentgenol. 130(6):1087-91, 1978
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Clinical Issues

                                                TERMINOLOGY

                                                • Synonyms

                                                  • Renal sinus lipomatosis (RSL), renal replacement lipomatosis (RRL)
                                                • Definitions

                                                  • Fatty tissue proliferation in renal sinus (renal sinus lipomatosis) that in extreme cases can replace renal parenchyma (renal replacement lipomatosis)

                                                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

                                                                          • Treatment

                                                                            DIAGNOSTIC CHECKLIST

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Ratkal V et al: Renal replacement lipomatosis of the right kidney. BMJ Case Rep. 2015, 2015
                                                                              2. Fitzgerald E et al: MRI appearance of massive renal replacement lipomatosis in the absence of renal calculus disease. Br J Radiol. 84(998):e41-4, 2011
                                                                              3. Dogra VS et al: Replacement renal sinus lipomatosis of the kidney. Ultrasound Q. 25(2):71-3, 2009
                                                                              4. Laouad I et al: Replacement kidney lipomatosis after renal transplantation. Transplantation. 79(4):496-8, 2005
                                                                              5. Rha SE et al: The renal sinus: pathologic spectrum and multimodality imaging approach. Radiographics. 24 Suppl 1:S117-31, 2004
                                                                              6. Subramanyam BR et al: Replacement lipomatosis of the kidney: diagnosis by computed tomography and sonography. Radiology. 148(3):791-2, 1983
                                                                              7. Ambos MA et al: Replacement lipomatosis of the kidney. AJR Am J Roentgenol. 130(6):1087-91, 1978