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Duplex kidney

Case contributed by Nourel Hoda Tahon
Diagnosis certain

Presentation

Left loin pain.

Patient Data

Age: 10 years
Gender: Female
ct

Duplex left kidney with an ectopic insertion of the ureter draining the upper moiety as well as severe hydronephrosis and hydroureter. 

The lower moiety shows average contrast excretion with moderate fullness of its collecting system and its draining ureter is not dilated.

ultrasound

The left kidney shows double moiety with obstructed upper moiety with dilatation of its ureter along its course & the lower moiety shows mild hydronephrosis.

Conventional IVP/IVU

x-ray

Bilateral reflux: The left upper pole moiety is only minimally opacified. There is reflux into the left lower moiety which is dilated. The right system is not dilated.

Case Discussion

This is a case of a duplex left kidney with obstruction of the upper moiety and hydronephrosis of the lower moiety.

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