To study the predictive value of ultrasonographic (USG) parameters in the form of anteroposterior diameter , calyceal dilatation , calyx-to-parenchyma ratio , renal length , renal width , pelvis-to-cortex ratio (PCR) and parenchymal thickness versus renographic parameters in the form of T1/2 , differential renal function (DRF) and Tissue tracer transit (TTT) for early detection of children at risk of recurrent obstruction post unilateral pyeloplasty.
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evaluate predictive value of ultrasonographic parameters for early detection of recurrent obstruction
Timeframe: 30 months
evaluate predictive value of ultrasonographic parameters for early detection of decrease renal function
Timeframe: 30 months