Excretion Urography in the Investigation of Prostatism

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Abstract
The excretion urogram and urodynamic studies of 201 patients presenting with prostatism were reviewed. The urographic features of trabeculation and diverticula were found to be associated with bladder instability as shown on inflow cystometry but not to be associated with outflow obstruction as shown by the pressure-flow analysis of micturition. The bladder shadow on the preliminary film and the bladder size on the post-evacuation film were associated with the measured residual urine and with outflow obstruction. The basal prostatic filling defect was also associated with outflow obstruction.

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