• How can you grade renal parenchymal disease on ultrasound?

    Renal parenchymal disease basically appear echogenic. There are three grades of renal parenchymal disease. Grade 1: the Kidney parenchyma is isoechoic to the liver, but there is still cortiomedullary differentiation. Grade 2: the kidney parenchyma is hyperechoic to the liver with preservation of corticomedullary differentiation. Grade 3: kidney appears hyperechoic. No corticomedullary differentiation!