Objective:The management of urethral stricture disease depends on the location,length of stricture,and associated urethral pathology.These parameters are obtained from preoperative imaging,with conventional urethrogra...Objective:The management of urethral stricture disease depends on the location,length of stricture,and associated urethral pathology.These parameters are obtained from preoperative imaging,with conventional urethrogram(retrograde urethrogram and micturating cystourethrogram[RGU/MCU])being the diagnostic tool of choice despite its many shortcomings.Sono-urethrogram(SUG)is an alternative that addresses most issues of RGU/MCU.Studies comparing RGU/MCU with SUG are limited.With the objective of comparing these two imaging modalities in the evaluation of urethral stricture disease,a prospective study was conducted.Methods:Fifty-six patients suspected of urethral stricture disease on clinical evaluation and confirmed either on RGU/MCU or urethro-cystoscopy were included in the study.SUG was performed by the experienced consultant radiologist who was blinded to the report of RGU/MCU.Findings of RGU/MCU and SUG were compared to intraoperative findings,which served as the reference standard.Results:The median length of the stricture determined intraoperatively was 16.5 mm,by RGU/MCU was 5.8 mm,and by SUG was 13.5 mm.The diagnostic accuracy for determination of the stricture location was 93%for RGU/MCU and 98%for SUG.SUG identified spongiofibrosis in 90%of patients with higher accuracy for the severe degree of spongiofibrosis.Conclusion:SUG has been shown to be more accurate than RGU/MCU in estimating stricture length(both short and intermediate)and localizing the stricture location.Use of SUG in conjunction with RGU/MCU helps in better guidance of stricture management by improving preoperative assessment.Further studies with larger sample sizes are warranted.展开更多
文摘Objective:The management of urethral stricture disease depends on the location,length of stricture,and associated urethral pathology.These parameters are obtained from preoperative imaging,with conventional urethrogram(retrograde urethrogram and micturating cystourethrogram[RGU/MCU])being the diagnostic tool of choice despite its many shortcomings.Sono-urethrogram(SUG)is an alternative that addresses most issues of RGU/MCU.Studies comparing RGU/MCU with SUG are limited.With the objective of comparing these two imaging modalities in the evaluation of urethral stricture disease,a prospective study was conducted.Methods:Fifty-six patients suspected of urethral stricture disease on clinical evaluation and confirmed either on RGU/MCU or urethro-cystoscopy were included in the study.SUG was performed by the experienced consultant radiologist who was blinded to the report of RGU/MCU.Findings of RGU/MCU and SUG were compared to intraoperative findings,which served as the reference standard.Results:The median length of the stricture determined intraoperatively was 16.5 mm,by RGU/MCU was 5.8 mm,and by SUG was 13.5 mm.The diagnostic accuracy for determination of the stricture location was 93%for RGU/MCU and 98%for SUG.SUG identified spongiofibrosis in 90%of patients with higher accuracy for the severe degree of spongiofibrosis.Conclusion:SUG has been shown to be more accurate than RGU/MCU in estimating stricture length(both short and intermediate)and localizing the stricture location.Use of SUG in conjunction with RGU/MCU helps in better guidance of stricture management by improving preoperative assessment.Further studies with larger sample sizes are warranted.
