Renal cell carcinoma developed in a patient treated with huge simple renal cyst sclerotherapy / 대한내과학회지

Simple renal cysts are a common cystic disease of the kidneys, which is not symptomatic in most cases and is diagnosed by radiological examination. However, if the cyst is huge or symptomatic, it must be treated. Renal cyst aspiration and alcohol sclerotherapy is a safe and effective treatment for symptomatic simple renal cysts. Simple renal cysts have benign clinical features in the main and transformation of a simple renal cyst into renal cell carcinoma has rarely been reported. However, one case of renal cell carcinoma during renal cyst follow-up has been reported. We report a case of renal cell carcinoma that developed in a patient who was being treated with huge simple renal cyst sclerotherapy.