33 year old female with a history of von Hippel-Lindau disease status post right partial nephrectomy in 2009 for clear cell renal cell carcinoma. Evaluate for cysts or masses in both kidneys. RIGHT KIDNEY: Note is made of postsurgical changes consistent with the stated history of partial nephrectomy. The right kidney measures 11.9 cm in length. There is a 3.1 x 3.0 x 3.6 cm complex cystic lesion with internal echogenicity and mild peripheral vascularity in the superior pole of the right kidney. There is a 0.9 x 1.2 x 1.2 cm, complex, cystic lesion in the superior pole of the right kidney, without internal vascularity.LEFT KIDNEY: There is an 8.7 x 7.7 x 8.3 cm, complex cystic lesion in the inferior pole of the left kidney, with associated thick septation. There is no internal vascularity. Multiple additional complex cysts with thin septation identified in the inferior pole of the left kidney.OTHER: The bladder is incompletely distended, limiting evaluation.
Multiple bilateral complex renal cystic lesions, the largest of which measures 8.7 cm in the inferior pole of the left kidney. Submission of prior examinations for comparison is recommended. If prior examinations are not available, further evaluation with a dedicated renal CT examination is recommended to better characterize cystic renal lesions described.