Pyonephrosis

Case contributed by Townsville radiology training
Diagnosis almost certain

Presentation

Antenatally diagnosed PUJ obstruction. Febrile.

Patient Data

Age: 7 years
Gender: Female
ultrasound

Hydronephrosis with marked pelvicalyceal dilatation. No hydroureters.

Hyperechoic substance within the calyceal system which was later noted to be purulent.

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