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[Ultrasonic retrograde urethrography. Technique. Comparison with radiologic retrograde urethrography]
A Fernández Fernández1, A Ramírez Esteban, M J Ramírez Bañuelos
1Servicio de Urología, Complejo Hospitalario San Millán San Pedro de La Rioja.
Actas Urologicas Espanolas
|July 1, 1992
Summary
Ultrasound scan urethrography (U.S.U.) offers a faster, cheaper, and safer alternative to radiological retrograde urethrography (R.U.) for studying the anterior urethra. This technique provides clear visualization without radiation exposure.
Area of Science:
- Urology
- Medical Imaging
Background:
- Anterior urethral imaging is crucial for diagnosing various conditions.
- Radiological retrograde urethrography (R.U.) is a common but invasive imaging technique.
- Limitations of R.U. include radiation exposure and patient discomfort.
Purpose of the Study:
- To establish the optimal technique for ultrasound scan urethrography (U.S.U.).
- To compare U.S.U. with R.U. from a technical standpoint.
- To evaluate the efficacy and safety of U.S.U. for anterior urethra examination.
Main Methods:
- Studied the anterior urethra in 61 males using both U.S.U. and R.U.
- Developed a retrograde U.S.U. technique involving saline instillation under direct ultrasound guidance.
- Assessed visualization from the glandular urethra to the urogenital diaphragm and membranous urethra.
Main Results:
- U.S.U. allows visualization of the anterior urethra up to the membranous urethra.
- U.S.U. is significantly faster to perform compared to R.U.
- U.S.U. is approximately nine times cheaper and more comfortable for patients.
- U.S.U. eliminates the risk of radiation exposure and radiological markers.
Conclusions:
- Retrograde U.S.U. is a technically sound and effective method for anterior urethral imaging.
- U.S.U. presents a superior alternative to R.U. due to its speed, cost-effectiveness, patient comfort, and safety profile.
- This ultrasound-guided technique offers a valuable, non-irradiating option for urethral assessment.