EXAM: , Bilateral renal ultrasound.,CLINICAL INDICATION: , UTI.,TECHNIQUE: , Transverse and longitudinal sonograms of the kidneys were obtained.,FINDINGS:  ,The right kidney is of normal size and echotexture and measures 5.7 x 2.2 x 3.8 cm.  The left kidney is of normal size and echotexture and measures 6.2 x 2.8 x 3.0 cm.  There is no evidence for ,HYDRONEPHROSIS, or ,PERINEPHRIC ,fluid collections.  The bladder is of normal size and contour.  The bladder contains approximately 13 mL of urine after recent voiding.  This is a small postvoid residual.,IMPRESSION: , Normal renal ultrasound.  Small postvoid residual.nephrology, bilateral renal ultrasound, postvoid residual, renal ultrasound, residual, kidneys, renal, ultrasound,