Abstract

The aim of the study is to evaluate the importance of renal doppler ultrasonography in, diagnosing obstruction, in unilateral equivocal hydronephrosis cases in Paediatric Population. Patients were selected as per the inclusion and the exclusion criteria. Two groups of the patients were made, one with obstructive unilateral hydronephrosis with or without a dilated ureter and other one with non-obstructive unilateral hydronephrosis with dilated urinary tract and bladder involvement. Result: Out of 62 patients, 33 (53%) were having their right kidney affected (hydronephrotic), while 29 (47%) were having their left kidney affected. Renal length (of affected kidney) is increased as compared to the healthy kidney in 26 (42%) cases out of 62 patients. Renal parenchymal thickness of the affected kidney was decreased in 39 (63%) patients, out of 62 patients. Renal cortical thickness of affected side is decreased in 26 (42%) cases, thus indicating that the enlarged renal unit showed thinning of renal cortex too. Conclusion: The most common age group of the patients (children) in our study, was between 1-6 months 16 (26%), followed by between 5-10 yrs,14 (22%), between 0-1month, 21(21%), 1-5 yrs, 8 (13%), 6months – 1yr, 6 (10%), 10-16 yrs, 5 (8%). The colour doppler ultrasonography of intrarenal renal arteries, holds a unique role in imaging workup as well as in optimal management planning, in cases of unilateral paediatric hydronephrosis. This is comparable to the other partly invasive /high cost higher modality of imaging.

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