Evaluating the Learning Curve for Percutaneous Nephrolithotomy under Total Ultrasound Guidance.
To investigate the learning curve of percutaneous nephrolithotomy under total ultrasound guidance.One hundred and twenty consecutive PCNL operations under total ultrasound guidance performed by a novice surgeon in a tertiary referral center were studied.Operations were analyzed in cohorts of 15 to determine when a plateau was reached laguna 3hp dus