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Background: Extracorporeal shock wave lithotripsy (ESWL) was first introduced in paediatric population in 1986. Given the more frequent recurrence in children, compared to adults, urinary stones treatments should require minimal invasive treatment methods. In this study, we aimed to evaluate the profile of the young patient with lithiasis who can benefit from ESWL, analysing the experience of 2 clinical departments., Materials and Methods: We have retrospectively reviewed the medical records of 54 children who underwent ESWL for urolithiasis. ESWL success rate was defined as stone-free status or the presence of clinically insignificant residual fragments. Data were analysed using the STATA 14.2., Results: In our study, the incidence of renal-ureteral calculi is significantly higher in girls (68.5%), compared to boys (31.5%). In total, 83.3% of patients showed a favourable outcome after treatment and the remaining 16.7% showed minimal complications. The presence of complications and remaining calculi was correlated to children age. The overall stone free rate was 88.9%. For calculus of 8.5 mm, only one ESWL session is recommended., Conclusions: The high percentage of cases with favourable outcome indicate that ESWL treatment is effective, considering the minimal cost, minimal invasiveness, repeatability and no need for general anaesthesia., (© 2019 S. Karger AG, Basel.)