Kidney stones & hydronephrosis

20 year old male presented with gross hematuria and bilateral loin pain. Ultrasound showed a 4mm stone in the lower pole of his right kidney.


Separation of central echo complex indicating mild hydronephrosis

A 6mm stone is also seen at the upper pole of left kidney. The central echo complex is also separated indicating mild hydronephrosis.

Reverberation artifact from the left upper pole calculus.