Evolution of renal cyst to renal carcinoma: a case report and review of literature.

Background null Renal cyst is a common benign disease which is rare to progress from simple renal cyst to renal cell carcinoma. null Case presentation null A 62-year-old woman who suffered a simple renal cyst for over 20 years complained intermittent lumbar in recent 2 years. At her latest admission, the cyst lesion displayed enhancement in the cystic wall by CT scan and cystic to partially solid change by ultrasound, so we did a partial...