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Related Experiment Videos

The single ectopic ureter

C C Schulman

    European Urology
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Single ectopic ureter cases reveal severe renal anomalies, often with non-functioning kidneys. Surgical removal, typically nephroureterectomy, is the standard treatment for this congenital condition.

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    Area of Science:

    • Urology
    • Pediatric Surgery
    • Medical Embryology

    Background:

    • Single ectopic ureter is a congenital anomaly where the ureter bypasses the bladder.
    • Associated renal anomalies, particularly renal dysplasia, are common.
    • The location of the ectopic orifice correlates with anomaly severity.

    Purpose of the Study:

    • To review cases of single ectopic ureter.
    • To correlate ectopic orifice location with renal anomalies.
    • To propose an embryological explanation for associated renal dysplasia.
    • To describe clinical presentation, diagnostic methods, and treatment outcomes.

    Main Methods:

    • Retrospective review of 32 cases of single ectopic ureter.
    • Analysis of clinical presentation, diagnostic imaging (pyelogram, micturating cystogram, vaginogram, deferentography), and surgical findings.

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  • Correlation of ectopic orifice location with renal anomaly severity and kidney function.

    • Main Results:

    • Increased distance of the ectopic orifice from the normal position was associated with more severe renal anomalies.
    • Dysplastic and radiographically functionless kidneys were observed in most cases.
    • Clinical symptoms included incontinence in females and urogenital complaints in males.
    • Diagnostic imaging accurately identified the condition, with specific signs in males (non-functioning kidney, cystic mass).

    Conclusions:

    • A strong association exists between single ectopic ureter and dysplastic, non-functioning kidneys, explained by embryological factors.
    • Accurate preoperative diagnosis is achievable with appropriate imaging techniques.
    • Surgical intervention, primarily nephroureterectomy, is the definitive treatment, often including removal of affected seminal tract structures in males.