Abstract
Intravenous urography and ultrasonography were compared prospectively in 120 women with recurrent urinary tract infection. The median age was 44 years (range 15-85). There was good correlation between the two methods in detecting hydronephrosis, calculi greater than or equal to 5 mm, and major post-pyelonephritic scarring. Urography was superior in detecting small cortical scars, slight caliceal dilatation, and less than or equal to 4 mm calculi. Based on the good results, low cost, and absence of radiation hazards or contrast media reactions, we conclude that ultrasonography may replace urography when a radiological screening of the upper urinary tract is deemed necessary in women with recurrent urinary tract infection.
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