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Hydronephrosis
Ashish P. Wasnik, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          TERMINOLOGY

          • Synonyms

            • Renal collecting system dilation, pelvicalyceal dilatation, pelvocaliectasis
          • Definitions

            • Dilation of renal collecting (pelvicalyceal) system ± ureteral dilation

          IMAGING

          • General Features

            • Radiographic Findings

              • CT Findings

                • MR Findings

                  • Ultrasonographic Findings

                    • Nuclear Medicine Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            CLINICAL ISSUES

                            • Presentation

                              • Natural History & Prognosis

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Liu DB et al: Hydronephrosis: prenatal and postnatal evaluation and management. Clin Perinatol. 41(3):661-78, 2014
                                    2. Jandaghi AB et al: Assessment of ureterovesical jet dynamics in obstructed ureter by urinary stone with color Doppler and duplex Doppler examinations. Urolithiasis. 41(2):159-63, 2013
                                    3. Piazzese EM et al: The renal resistive index as a predictor of acute hydronephrosis in patients with renal colic. J Ultrasound. 15(4):239-46, 2012
                                    4. Estrada CR Jr: Prenatal hydronephrosis: early evaluation. Curr Opin Urol. 18(4):401-3, 2008
                                    5. Becker A et al: Obstructive uropathy. Early Hum Dev. 82(1):15-22, 2006
                                    6. Belarmino JM et al: Management of neonatal hydronephrosis. Early Hum Dev. 82(1):9-14, 2006
                                    7. Sidhu G et al: Outcome of isolated antenatal hydronephrosis: a systematic review and meta-analysis. Pediatr Nephrol. 21(2):218-24, 2006
                                    8. Riccabona M et al: Hydronephrotic kidney: pediatric three-dimensional US for relative renal size assessment--initial experience. Radiology. 236(1):276-83, 2005
                                    9. Moon DH et al: Value of supranormal function and renogram patterns on 99mTc-mercaptoacetyltriglycine scintigraphy in relation to the extent of hydronephrosis for predicting ureteropelvic junction obstruction in the newborn. J Nucl Med. 44(5):725-31, 2003
                                    10. Perez-Brayfield MR et al: A prospective study comparing ultrasound, nuclear scintigraphy and dynamic contrast enhanced magnetic resonance imaging in the evaluation of hydronephrosis. J Urol. 170(4 Pt 1):1330-4, 2003
                                    11. Grenier N et al: Dilatation of the collecting system during pregnancy: physiologic vs obstructive dilatation. Eur Radiol. 10(2):271-9, 2000
                                    12. Hertzberg BS et al: Doppler US assessment of maternal kidneys: analysis of intrarenal resistivity indexes in normal pregnancy and physiologic pelvicaliectasis. Radiology. 186(3):689-92, 1993
                                    13. Platt JF et al: Acute renal obstruction: evaluation with intrarenal duplex Doppler and conventional US. Radiology. 186(3):685-8, 1993
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Pathology

                                            TERMINOLOGY

                                            • Synonyms

                                              • Renal collecting system dilation, pelvicalyceal dilatation, pelvocaliectasis
                                            • Definitions

                                              • Dilation of renal collecting (pelvicalyceal) system ± ureteral dilation

                                            IMAGING

                                            • General Features

                                              • Radiographic Findings

                                                • CT Findings

                                                  • MR Findings

                                                    • Ultrasonographic Findings

                                                      • Nuclear Medicine Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              CLINICAL ISSUES

                                                              • Presentation

                                                                • Natural History & Prognosis

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Liu DB et al: Hydronephrosis: prenatal and postnatal evaluation and management. Clin Perinatol. 41(3):661-78, 2014
                                                                      2. Jandaghi AB et al: Assessment of ureterovesical jet dynamics in obstructed ureter by urinary stone with color Doppler and duplex Doppler examinations. Urolithiasis. 41(2):159-63, 2013
                                                                      3. Piazzese EM et al: The renal resistive index as a predictor of acute hydronephrosis in patients with renal colic. J Ultrasound. 15(4):239-46, 2012
                                                                      4. Estrada CR Jr: Prenatal hydronephrosis: early evaluation. Curr Opin Urol. 18(4):401-3, 2008
                                                                      5. Becker A et al: Obstructive uropathy. Early Hum Dev. 82(1):15-22, 2006
                                                                      6. Belarmino JM et al: Management of neonatal hydronephrosis. Early Hum Dev. 82(1):9-14, 2006
                                                                      7. Sidhu G et al: Outcome of isolated antenatal hydronephrosis: a systematic review and meta-analysis. Pediatr Nephrol. 21(2):218-24, 2006
                                                                      8. Riccabona M et al: Hydronephrotic kidney: pediatric three-dimensional US for relative renal size assessment--initial experience. Radiology. 236(1):276-83, 2005
                                                                      9. Moon DH et al: Value of supranormal function and renogram patterns on 99mTc-mercaptoacetyltriglycine scintigraphy in relation to the extent of hydronephrosis for predicting ureteropelvic junction obstruction in the newborn. J Nucl Med. 44(5):725-31, 2003
                                                                      10. Perez-Brayfield MR et al: A prospective study comparing ultrasound, nuclear scintigraphy and dynamic contrast enhanced magnetic resonance imaging in the evaluation of hydronephrosis. J Urol. 170(4 Pt 1):1330-4, 2003
                                                                      11. Grenier N et al: Dilatation of the collecting system during pregnancy: physiologic vs obstructive dilatation. Eur Radiol. 10(2):271-9, 2000
                                                                      12. Hertzberg BS et al: Doppler US assessment of maternal kidneys: analysis of intrarenal resistivity indexes in normal pregnancy and physiologic pelvicaliectasis. Radiology. 186(3):689-92, 1993
                                                                      13. Platt JF et al: Acute renal obstruction: evaluation with intrarenal duplex Doppler and conventional US. Radiology. 186(3):685-8, 1993