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Copyright of Der Urologe A is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Nephrologe is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Urologe A is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Urologe A is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Urologe A is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Compared with adults, urolithiasis is quite rare in children (1-2% of all urinary stones occur during childhood). In principle, all therapy modalities for adults can also be used in children. However, due to some anatomic and functional peculiarities in children, the differential indication for the various treatment modalities differ. As a rule, asymptomatic renal stones are not treated but observed. More urinary stones pass spontaneously in children compared with adults. If spontaneous passage is not possible or does not occur, noninvasive and minimally invasive techniques are indicated. Extracorporeal shock wave lithotripsy is the therapy of choice in most instances. Today, endoscopic techniques, however, can be safely used even in very small infants. For larger renal stones and those consisting of cysteine or whewellite, percutaneous nephrolithotomy (PCNL) is the therapy of choice, and for distal ureteral stones ureteroscopy is the method of choice. Laparoscopic and open surgery are reserved for very rare cases, especially with concomitant pathologies. Bladder calculi are treated by transurethral or suprapubic lithotripsy.

The treatment of urolithiasis is still one of the most frequent tasks in the daily urological practice. Driven by the technological developments, patient demands and also personal experiences of urologists, many interventional treatment options have been established. To identify the most suitable treatment option, it is of utmost importance to consider not only stone size and localization but also the individual situation of the patient and the published evidence, which despite all efforts often lags behind the technical and clinical reality.

Percutaneous nephrolithotomy (PCNL) is a well-established minimally invasive treatment option for removal of kidney stones. This technique has now replaced open stone surgery for virtually all indications. This article describes the indications, the surgical technique and the complication management of PCNL.