DIAGNOSTIC ACCURACY OF SONOURETHROGRAPHY IN THE DIAGNOSIS OF ANTERIOR URETHRAL STRICTURE TAKING RETROGRADE URETHROGRAM AS A REFERENCE STANDARD
DOI:
https://doi.org/10.52764/jms.26.34.1.3Keywords:
Sonourethrography, Retrograde urethrography, Diagnostic accuracyAbstract
Objective: To determine the Diagnostic accuracy of sonourethrography (SUG) in the diagnosis of anterior urethral stricture, taking retrograde urethrogram (RUG) as a reference standard
Materials and Methods: This cross-sectional study was performed at the Radiology Department of the Combined Military Hospital (CMH) in Peshawar, Pakistan, from November 3, 2022, to May 3, 2023. A total of 104 clinically suspected cases of anterior urethral stricture were included. Male patients aged 15–65 years presenting with lower urinary tract symptoms for at least one week were enrolled. Patients with posterior urethral strictures, allergies to contrast media, or severe perineal conditions were excluded. SUG was conducted using a Toshiba Xario 200 Doppler scanner, with RUG serving as the gold standard for confirmation. Diagnostic accuracy metrics, including sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and overall diagnostic accuracy, were calculated using SPSS version 25.
Results: The average age of participants was 37.80 ± 9.245 years. SUG identified strictures in 32 patients, with 71.8% located in the bulbar urethra and 28.1% in the penile urethra. Severity assessment showed 65.6% of strictures as mild, 28.1% as moderate, and 6.25% as severe. Average stricture lengths were 2.1 ± 0.31 mm on SUG and 2.8 ± 0.46 mm on RUG. SUG demonstrated a sensitivity of 97%, specificity of 96%, PPV of 91.2%, NPV of 98.6%, and a diagnostic accuracy of 96.1%.
Conclusion: Sonourethrography is a dependable diagnostic tool for anterior urethral strictures, showing excellent sensitivity and specificity. Its superior ability to evaluate stricture length and severity makes it a crucial modality for clinical practice.
Keywords: Sonourethrography, Retrograde Urethrography, Diagnostic accuracy
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Copyright (c) 2026 Sayed Haider Yadain, Uzma Nisar, Syed Aown Raza Shah Bukhari, Syeda Momina Sultana, Hussain Rashid Ihsan, Fazal Tahir
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