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
Houat AP et al: Congenital anomalies of the upper urinary tract: a comprehensive review. Radiographics. 41(2):462-86, 2021
Didier RA et al: The duplicated collecting system of the urinary tract: embryology, imaging appearances and clinical considerations. Pediatr Radiol. 47(11):1526-38, 2017
Figueroa VH et al: Utility of MR urography in children suspected of having ectopic ureter. Pediatr Radiol. 44(8):956-62, 2014
Adeb M et al: Magnetic resonance urography in evaluation of duplicated renal collecting systems. Magn Reson Imaging Clin N Am. 21(4):717-30, 2013
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
Roy Choudhury S et al: Spectrum of ectopic ureters in children. Pediatr Surg Int. 24(7):819-23, 2008
Wille S et al: Magnetic resonance urography in pediatric urology. Scand J Urol Nephrol. 37(1):16-21, 2003
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
Damry N et al: Ectopic vaginal insertion of a duplicated ureter: demonstration by magnetic resonance imaging (MRI). JBR-BTR. 84(6):270, 2001
Staatz G et al: Magnetic resonance urography in children: evaluation of suspected ureteral ectopia in duplex systems. J Urol. 166(6):2346-50, 2001
Engin G et al: MR urography findings of a duplicated ectopic ureter in an adult man. Eur Radiol. 10(8):1253-6, 2000
Gylys-Morin VM et al: Magnetic resonance imaging of the dysplastic renal moiety and ectopic ureter. J Urol. 164(6):2034-9, 2000
Livingston L et al: Seminal vesicle cyst with ipsilateral renal agenesis. AJR Am J Roentgenol. 175(1):177-80, 2000
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
Houat AP et al: Congenital anomalies of the upper urinary tract: a comprehensive review. Radiographics. 41(2):462-86, 2021
Didier RA et al: The duplicated collecting system of the urinary tract: embryology, imaging appearances and clinical considerations. Pediatr Radiol. 47(11):1526-38, 2017
Figueroa VH et al: Utility of MR urography in children suspected of having ectopic ureter. Pediatr Radiol. 44(8):956-62, 2014
Adeb M et al: Magnetic resonance urography in evaluation of duplicated renal collecting systems. Magn Reson Imaging Clin N Am. 21(4):717-30, 2013
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
Roy Choudhury S et al: Spectrum of ectopic ureters in children. Pediatr Surg Int. 24(7):819-23, 2008
Wille S et al: Magnetic resonance urography in pediatric urology. Scand J Urol Nephrol. 37(1):16-21, 2003
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
Damry N et al: Ectopic vaginal insertion of a duplicated ureter: demonstration by magnetic resonance imaging (MRI). JBR-BTR. 84(6):270, 2001
Staatz G et al: Magnetic resonance urography in children: evaluation of suspected ureteral ectopia in duplex systems. J Urol. 166(6):2346-50, 2001
Engin G et al: MR urography findings of a duplicated ectopic ureter in an adult man. Eur Radiol. 10(8):1253-6, 2000
Gylys-Morin VM et al: Magnetic resonance imaging of the dysplastic renal moiety and ectopic ureter. J Urol. 164(6):2034-9, 2000
Livingston L et al: Seminal vesicle cyst with ipsilateral renal agenesis. AJR Am J Roentgenol. 175(1):177-80, 2000
Cabay JE et al: Ectopic ureter associated with renal dysplasia. JBR-BTR. 82(5):228-30, 1999
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