Reason: renal insufficiencyy RIGHT KIDNEY: The right kidney measures 10.0 cm in length. Tiny subcentimeter hyperechoic focus in the inferior pole of the kidney represents a nonobstructive renal calculus. No hydronephrosis or masses.LEFT KIDNEY: The left kidney measures 9.7 cm in length. Left midpole anechoic peripelvic cyst measures 0.9 x 0.8 x 0.8 cm. Additional exophytic hypoechoic lesion arising from the superior pole of the left kidney appears to demonstrate demonstrate a solid component and measures 1.3 x 1.0 cm in the long axis. No hydronephrosis or shadowing renal stones.OTHER: The bladder is decompressed, precluding its evaluation.
Exophytic left renal cyst of questionable complexity can be followed up with renal protocol MRI or CT scan or with follow-up ultrasound as clinically indicated. 