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Ureteral Ectopia
Jane S. Kim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Ectopic ureter (EU)
              • Definitions

                • Ureter that does not terminate at bladder trigone
                • Common usage: Ureter that terminates outside bladder (extravesicular)

              IMAGING

              • General Features

                • Ultrasonographic Findings

                  • Radiographic Findings

                    • Fluoroscopic Findings

                      • CT Findings

                        • MR Findings

                          • Nuclear Medicine Findings

                            • Imaging Recommendations

                              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. Figueroa VH et al: Utility of MR urography in children suspected of having ectopic ureter. Pediatr Radiol. 44(8):956-62, 2014
                                                  2. Ehammer T et al: High resolution MR for evaluation of lower urogenital tract malformations in infants and children: feasibility and preliminary experiences. Eur J Radiol. 78(3):388-93, 2011
                                                  3. Roy Choudhury S et al: Spectrum of ectopic ureters in children. Pediatr Surg Int. 24(7):819-23, 2008
                                                  4. Wille S et al: Magnetic resonance urography in pediatric urology. Scand J Urol Nephrol. 37(1):16-21, 2003
                                                  5. Berrocal T et al: Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 22(5):1139-64, 2002
                                                  6. Damry N et al: Ectopic vaginal insertion of a duplicated ureter: demonstration by magnetic resonance imaging (MRI). JBR-BTR. 84(6):270, 2001
                                                  7. Staatz G et al: Magnetic resonance urography in children: evaluation of suspected ureteral ectopia in duplex systems. J Urol. 166(6):2346-50, 2001
                                                  8. Engin G et al: MR urography findings of a duplicated ectopic ureter in an adult man. Eur Radiol. 10(8):1253-6, 2000
                                                  9. Gylys-Morin VM et al: Magnetic resonance imaging of the dysplastic renal moiety and ectopic ureter. J Urol. 164(6):2034-9, 2000
                                                  10. Livingston L et al: Seminal vesicle cyst with ipsilateral renal agenesis. AJR Am J Roentgenol. 175(1):177-80, 2000
                                                  11. Cabay JE et al: Ectopic ureter associated with renal dysplasia. JBR-BTR. 82(5):228-30, 1999
                                                  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

                                                                • Ectopic ureter (EU)
                                                              • Definitions

                                                                • Ureter that does not terminate at bladder trigone
                                                                • Common usage: Ureter that terminates outside bladder (extravesicular)

                                                              IMAGING

                                                              • General Features

                                                                • Ultrasonographic Findings

                                                                  • Radiographic Findings

                                                                    • Fluoroscopic Findings

                                                                      • CT Findings

                                                                        • MR Findings

                                                                          • Nuclear Medicine Findings

                                                                            • Imaging Recommendations

                                                                              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. Figueroa VH et al: Utility of MR urography in children suspected of having ectopic ureter. Pediatr Radiol. 44(8):956-62, 2014
                                                                                                  2. Ehammer T et al: High resolution MR for evaluation of lower urogenital tract malformations in infants and children: feasibility and preliminary experiences. Eur J Radiol. 78(3):388-93, 2011
                                                                                                  3. Roy Choudhury S et al: Spectrum of ectopic ureters in children. Pediatr Surg Int. 24(7):819-23, 2008
                                                                                                  4. Wille S et al: Magnetic resonance urography in pediatric urology. Scand J Urol Nephrol. 37(1):16-21, 2003
                                                                                                  5. Berrocal T et al: Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 22(5):1139-64, 2002
                                                                                                  6. Damry N et al: Ectopic vaginal insertion of a duplicated ureter: demonstration by magnetic resonance imaging (MRI). JBR-BTR. 84(6):270, 2001
                                                                                                  7. Staatz G et al: Magnetic resonance urography in children: evaluation of suspected ureteral ectopia in duplex systems. J Urol. 166(6):2346-50, 2001
                                                                                                  8. Engin G et al: MR urography findings of a duplicated ectopic ureter in an adult man. Eur Radiol. 10(8):1253-6, 2000
                                                                                                  9. Gylys-Morin VM et al: Magnetic resonance imaging of the dysplastic renal moiety and ectopic ureter. J Urol. 164(6):2034-9, 2000
                                                                                                  10. Livingston L et al: Seminal vesicle cyst with ipsilateral renal agenesis. AJR Am J Roentgenol. 175(1):177-80, 2000
                                                                                                  11. Cabay JE et al: Ectopic ureter associated with renal dysplasia. JBR-BTR. 82(5):228-30, 1999