Renal ultrasound showing kidneys with size and parenchymal thickness within normal limits but increased echogenicity, suggesting medical renal disease (arrows)The right and left kidneys measure 10.6 x 5.2 x 4.5 cm and 10.6 x 4.6 x 3.8 cm, respectively. Both kidneys are increased in echogenicity suggesting medical renal disease. No hydronephrosis, shadowing renal calculus, or perinephric fluid collection.