Presentation
Referred for evaluation of left hydronephrosis. He had undergone pyeloplasty six years before.
Patient Data
Age: 10 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
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MR urography showed grade IV hydronephrosis due to persistent pelviureteric junction obstruction. Note the distorted hilar anatomy. The right kidney was normal.