77-year-old female with renal transplant, rule out hydronephrosis stones or masses. LOCATION: Right iliac fossa.RENAL TRANSPLANT: The transplanted kidney measures 12.2 cm. The cortex has normal echogenicity. There is no evidence of hydronephrosis or stones. In the upper pole, there is a round exophytic hyperechoic area that appears solid. This appears stable in size from prior CT. There is also a hypoechoic round cyst located in the lower pole measuring 1.7 cm x 1.2 cm x 1.8 cm. There is a corresponding hypodense lesion seen on prior CT.PERITRANSPLANT TISSUES: No significant abnormality notedURINARY BLADDER: No significant abnormality noted
1. There is a hyperechoic lesion in the upper pole of the transplanted kidney corresponding to the intermediately attenuating lesion seen on prior CT. This appears stable in size. The lesion appears solid on ultrasound and malignancy must be considered. Recommend contrast enhanced cross-sectional imaging for further characterization of this upper pole lesion.2. Renal cyst noted in the lower pole of the transplanted kidney, corresponding to the inferior pole lesion seen on CT.3. No perinephric collection or hydronephrosis.