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[Ureteral duplication with extravesical ureteral orifice].
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|February 1, 1984
Summary
Ectopic ureters, often arising from dysplastic kidney segments, can cause urinary incontinence in women due to abnormal termination. Embryological explanations exist for ureteral duplication and megaureters with renal dysplasia.
Area of Science:
- Urology
- Developmental Biology
- Medical Science
Background:
- Ectopic ureters are congenital anomalies where the ureter does not enter the bladder at the normal anatomical location.
- These anomalies are often associated with renal dysplasia, a condition where the kidney does not develop properly.
Observation:
- The renal segment supplying an ectopic ureter is typically dysplastic.
- Ureters often cross, with the ectopic ureter terminating caudally relative to the normal ureter.
- In females, extravesical termination frequently leads to urinary incontinence, often terminating in the vagina or labia.
Findings:
- In males, ectopic ureters less commonly cause noticeable symptoms, usually terminating in the urethra, seminal vesicles, ductus deferens, or epididymis.
- Ureteral duplication or megaureter associated with renal dysplasia can be explained through embryological development.
Implications:
- Understanding the embryological basis of ectopic ureters is crucial for diagnosis and management.
- Identifying the termination site is key to managing symptoms like urinary incontinence.
- Associated renal dysplasia highlights the importance of evaluating kidney function in cases of ectopic ureters.