Fig. 12

8-year-old girl with multiple stones a renal ultrasound reveals multiple stones filling the calyces and renal pelvis appears as dense echogenic foci with acoustic shadowing. b longitudinal ultrasound through the pelvis shows multiple stones at the distal ureter as well. Owing to complexity of the case, c non-contrast CT of the urinary tract is requested prior to surgical intervention and reveals multiple bilateral renal and left ureteric stones