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Emphysematous Pyelonephritis
Lori Mankowski Gettle, MD, MBA, FSRU
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Abbreviations

              • Emphysematous pyelonephritis (EPN)
            • Definitions

              • Gas-forming upper UTI involving renal parenchyma &/or perinephric space

            IMAGING

            • General Features

              • Ultrasonographic Findings

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              CLINICAL ISSUES

                              • Presentation

                                • Natural History & Prognosis

                                  • Treatment

                                    Selected References

                                    1. Diamond M et al: Imaging of nontraumatic upper urinary tract emergencies. Semin Roentgenol. 55(2):180-96, 2020
                                    2. Patiño A et al: Review of imaging findings in urinary tract infections. Semin Ultrasound CT MR. 41(1):99-105, 2020
                                    3. Expert Panel on Urologic Imaging et al: ACR Appropriateness Criteria® acute pyelonephritis. J Am Coll Radiol. 15(11S):S232-9, 2018
                                    4. Lu YC et al: Predictors of failure of conservative treatment among patients with emphysematous pyelonephritis. BMC Infect Dis. 14:418, 2014
                                    5. Lin YC et al: Risk factors of renal failure and severe complications in patients with emphysematous pyelonephritis-a single-center 15-year experience. Am J Med Sci. 343(3):186-91, 2012
                                    6. Chen KC et al: The role of emergency ultrasound for evaluating acute pyelonephritis in the ED. Am J Emerg Med. 29(7):721-4, 2011
                                    7. Ubee SS et al: Emphysematous pyelonephritis. BJU Int. 107(9):1474-8, 2011
                                    8. Kapoor R et al: Predictive factors for mortality and need for nephrectomy in patients with emphysematous pyelonephritis. BJU Int. 105(7):986-9, 2010
                                    9. Grayson DE et al: Emphysematous infections of the abdomen and pelvis: a pictorial review. Radiographics. 22(3):543-61, 2002
                                    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

                                              TERMINOLOGY

                                              • Abbreviations

                                                • Emphysematous pyelonephritis (EPN)
                                              • Definitions

                                                • Gas-forming upper UTI involving renal parenchyma &/or perinephric space

                                              IMAGING

                                              • General Features

                                                • Ultrasonographic Findings

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              • Gross Pathologic & Surgical Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Natural History & Prognosis

                                                                    • Treatment

                                                                      Selected References

                                                                      1. Diamond M et al: Imaging of nontraumatic upper urinary tract emergencies. Semin Roentgenol. 55(2):180-96, 2020
                                                                      2. Patiño A et al: Review of imaging findings in urinary tract infections. Semin Ultrasound CT MR. 41(1):99-105, 2020
                                                                      3. Expert Panel on Urologic Imaging et al: ACR Appropriateness Criteria® acute pyelonephritis. J Am Coll Radiol. 15(11S):S232-9, 2018
                                                                      4. Lu YC et al: Predictors of failure of conservative treatment among patients with emphysematous pyelonephritis. BMC Infect Dis. 14:418, 2014
                                                                      5. Lin YC et al: Risk factors of renal failure and severe complications in patients with emphysematous pyelonephritis-a single-center 15-year experience. Am J Med Sci. 343(3):186-91, 2012
                                                                      6. Chen KC et al: The role of emergency ultrasound for evaluating acute pyelonephritis in the ED. Am J Emerg Med. 29(7):721-4, 2011
                                                                      7. Ubee SS et al: Emphysematous pyelonephritis. BJU Int. 107(9):1474-8, 2011
                                                                      8. Kapoor R et al: Predictive factors for mortality and need for nephrectomy in patients with emphysematous pyelonephritis. BJU Int. 105(7):986-9, 2010
                                                                      9. Grayson DE et al: Emphysematous infections of the abdomen and pelvis: a pictorial review. Radiographics. 22(3):543-61, 2002