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A Journal on Nephrology and Urology

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Minerva Urologica e Nefrologica 1998 December;50(4):237-40

language: Italian

Urethral diverticula. A comparison of imaging techniques

Natale F., Ciccariello M., Morello P., Mariotti G., Cuzari S., Fischetti G.

Università degli Studi di Roma «La Sapienza» - Roma, Policlinico Umberto I - Roma, IV Divisione, Dipartimento di Urologia «U. Bracci»


Background and aims. Urethral diverticula is a rare pathology with an incidence varying between 0.3 and 6%. It is difficult to diagnose owing to the aspecificity of its clinical symptoms. The aim of this study was to evaluate the imaging techniques now available for its diagnosis.
Methods. The sample consisted of 19 female patients aged between 20 and 53 years old undergoing diverticolectomy owing to urethral diverticula between 1980 and 1996 at the 4th Division of the Department of Urology at “La Sapienza” University of Rome. All patients underwent preoperative X-ray examinations (micturitional cystourethrography and P positive urethrography). A retrospective study was performed in order to evaluate the accuracy of the individual methods.
Results. Micturitional urethrocystography showed a sensitivity equivalent to 77% of cases. P positive urethrography showed a 85.7% accuracy rate. Lastly, transvaginal ultrasonography, which always showed the diverticular sac in all patients in which it was used, also highlighting multiple and divided diverticuli which were not visible using traditional radiology. The latter method is easy to use and well tolerated by patients; moreover, it shows the spatial relations of the diverticulum and allows the characteristics of periurethral tissues to be evaluated.
Conclusions. The authors affirm that transvaginal ultrasonography is the first method of choice for the diagnosis of urethral diverticula.

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