A New Staging System for Anterior Urethral Strictures

Area of Science:

• Urology
• Surgical Innovation
• Medical Classification Systems

Background:

• Anterior urethral strictures lack a universally accepted staging system.
• A reliable classification is needed for consistent patient management and research.

Purpose of the Study:

• To develop and assess the reliability of a novel, user-friendly staging system for anterior urethral strictures in men.
• To provide a standardized method for describing stricture severity based on cystoscopic findings.

Main Methods:

• A 5-stage classification (0-4) was devised based on cystoscopic visualization and dilation difficulty.
• Content validity was confirmed by a urologist panel.
• Three urologists independently reviewed cystoscopy videos to stage strictures, assessing intra- and inter-observer agreement.

Main Results:

• The study reviewed 101 cystoscopy videos.
• Excellent intra-observer agreement (76%-94%) and good inter-observer agreement (73%-82%) were achieved.
• Agreement was highest for severe strictures (stages 3 and 4).

Conclusions:

• The proposed staging system is simple, user-friendly, and reliable for anterior urethral strictures.
• It offers a consistent lexicon for describing stricture appearance and severity.
• This system can improve communication and standardization in the field.