الفهرس 
ANATOMYOnly 14 pages are availabe for public view
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Abstract
PNL is the first line of treatment of renal stones >2cm according to EUA guidelines. PNL has minor complications and a high stone free rate. With advancement of flexible ureteroscopy, it becomes an option for treating renal stones with minimal complications and low hospital stay.
The aim of this work was to evaluate the efficacy and safety of both PNL and flexible ureteroscopy in treatment of renal stones.
To achieve this goal, this study was done over 30 patients with renal stones > 2cm in size. It was a double armed clinical trial with 15 patients in each arm. Patients in group A were treated by PNL. While patients in group B were treated by flexible ureteroscopy.