title: Renal cystoscopy.
abstract: Percutaneous endoscopy of renal cysts is described. Its purpose is to rule out the presence of tumor within a cyst.
mesh_terms: D003558:Cystoscopy; D003937:Diagnosis, Differential; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D007680:Kidney Neoplasms / Q000175:diagnosis*