Pure natural orifice translumenal endoscopic surgery management of simple renal cysts: 2-year follow-up results.

Background And Purpose: Retrograde ureteroscopic marsupialization is a pure natural orifice translumenal endoscopic surgery (NOTES). We retrospectively examined the feasibility and safety of this technique to manage symptomatic simple renal cysts.

Patients And Methods: Sixteen patients with simple renal cysts were selected and treated by incising the cyst wall to drain into the collecting system through retrograde ureteroscopy.