Advances in minimally invasive technology have resulted in the development of endoscopic management modalities for ureteropelvic junction obstruction. In selected cases, endopyelotomy has been shown to have a decreased cost, length of hospitalization, and postoperative pain compared to open and laparoscopic pyeloplasty. However, the procedure is demanding and requires careful patient selection to achieve excellent outcomes. From a technical standpoint, there are several minor variations in surgical technique and postoperative management that will be discussed in this chapter.
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