68-year-old female with AKI. Evaluate for obstruction. RIGHT KIDNEY: The right kidney measures 10.8 cm in length and shows increased echotexture. No obstructing stone or hydronephrosis. A slightly hyperechoic focus within the lower pole of the right kidney measures 0.9 x 0.7 x 0.8 cm. A few subcentimeter simple cysts are seen within the right kidney.LEFT KIDNEY: The left kidney measures 11.1 cm in length and shows increased echotexture. A subcentimeter simple cyst is noted. No mass, stone or hydronephrosis.URINARY BLADDER: The urinary bladder is not distended. Foley catheter balloon is seen.OTHER: Trace ascites.
No obstructing stone or hydronephrosis. Both kidneys show increased echogenicity. Right lower pole small hyperechoic focus most likely represents a benign etiology, such as an AML. 