Performance of a Standardized Retrograde Urethrogram to Optimize Length, Segment, Etiology (LSE) Anterior Urethral
Kenan B Ashouri1, Alexandria M Hertz1, Bradley A Erickson1
1Department of Urology, University of Iowa Hospitals and Clinics, Iowa City, IA.
Urology
|December 12, 2025
Summary
Retrograde urethrogram (RUG) is key for diagnosing anterior urethral stricture disease (aUSD). This study presents a modified RUG technique for improved aUSD classification using the Length, Urethral Segment, and Etiology system.
Area of Science:
- Urology
- Medical Imaging
- Diagnostic Techniques
Background:
- The retrograde urethrogram (RUG) is the established standard for diagnosing anterior urethral stricture disease (aUSD).
- Accurate classification of aUSD is crucial for effective treatment planning.
- Existing RUG techniques may have limitations in detailed classification.
Purpose of the Study:
- To introduce a modified retrograde urethrogram (RUG) technique.
- To enhance the classification of anterior urethral stricture disease (aUSD).
- To integrate the Length (L), Urethral Segment (S), and Etiology (E) classification system into RUG.
Main Methods:
- Description of a modified retrograde urethrogram (RUG) procedure.
- Application of the Length (L), Urethral Segment (S), and Etiology (E) classification system.
- Evaluation of the modified RUG technique's utility in classifying aUSD.
Main Results:
- The modified RUG technique provides a standardized method for aUSD classification.
- Integration with the L, S, and E system allows for detailed characterization of strictures.
- Facilitates more precise diagnosis and treatment stratification for anterior urethral strictures.
Conclusions:
- The modified RUG technique is a valuable advancement for diagnosing and classifying anterior urethral stricture disease (aUSD).
- This method improves diagnostic accuracy by incorporating the L, S, and E classification system.
- Enhanced classification through this modified RUG can lead to better patient management strategies.
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