Table 1

 Intravenous urograms (IVUs) revealing scars

Age/sexUltrasoundDMSAIVU
7FNormalLeft 57%, right 43%Right kidney: duplex collecting system; scar in right upper pole
8FRight kidney: simple cyst in upper poleLeft 61%, right 39%Right upper pole scar
6FNormalLeft 60%, right 40%Right upper pole scar
1FNormalLeft 42%, right 58%Bilateral duplex systems, no function in left upper pole