Ultrasound is an essential technique in the evaluation of the patient with both acute and chronic renal pathology and for the realization of renal biopsy. The interpretation of ultrasound findings is highly dependent on clinical data. Therefore, it is very important that the nephrologists know it in depth and actively participate in the interpretation of the images to increase the profitability of this diagnostic test. Moreover, the nephrologist should know how to perform renal ultrasou