Abstract
Introduction: This study evaluates the accuracy of renal ultrasonography (US) in the detection of vesicoureteral reflux (VUR) compared to voiding cystourethrography (VCUG).
 Methods: We retrospectively reviewed the medical records of 131 children with urinary tract infection. Ultrasound findings were considered to be suggestive of VUR if a “pelvocalyceal dilatationâ€â€š “retrovesical ureteral dilatation†and/or an “increase in one or both kidneys’ size†were reported.
 Results: Ultrasound findings were positive for VUR in 5 of 24 patients with confirmed VUR on VCUG, and were negative in all of 107 patients without VUR on VCUG. Altogether, of the 131 children‚ 24 had reflux on VCUG, 19 (79%) of who had no sonographic findings suggestive for reflux. The sensitivity and specificity of ultrasound in Suggesting VUR were 20% and 100%, respectively.
 Conclusion: The results of this study showed that ultrasonography cannot accurately detect or predict vesicoureteral reflux. This outcome should be mentioned by clinicians in evaluation of patients with complaints which are suggestive for VUR.
Highlights
Vesicoureteral reflux (VUR) is a common urinary tract disorder in children
Over the past two decades, in an attempt to provide comfort for child and the family and to eliminate the radiation exposure caused by these methods, many efforts have been made to use ultrasonography for the noninvasive diagnosis of vesicoureteral reflux (VUR) which avoids the need for urethral catheterization, and which avoids the anxiety of parents and patients that leads many families to refuse such evaluation [1,4]
VUR were found in thirty three renal unit (RU) through voiding cystourethrography (VCUG), of which 9 cases (7%) were bilateral, 9 cases (7%) were only in left side and 6 cases (5%) were only in the right side
Summary
Vesicoureteral reflux (VUR) is a common urinary tract disorder in children. In normal kidney-bladder function, urine flows only from the kidneys to the bladder. Comparison of Renal Ultrasound and VCUG in the Detection of Vesicoureteral Reflux tourethrography (VCUG) The latter is used mostly as the method of choice to confirm the diagnosis of VUR. This study evaluates the accuracy of renal ultrasonography (US) in the detection of vesicoureteral reflux (VUR) compared to voiding cystourethrography (VCUG). The sensitivity and specificity of ultrasound in Suggesting VUR were 20% and 100%, respectively.Conclusion: The results of this study showed that ultrasonography cannot accurately detect or predict vesicoureteral reflux. This outcome should be mentioned by clinicians in evaluation of patients with complaints which are suggestive for VUR.[GMJ.2013;2(2):54-59]
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