
Keywords: RASP; retroperitoneoscopic assisted single-site pyeloplasty; ODP; open dismembered pyeloplasty; UPJ; ureteropelvic junction; MAG-3; mercaptoacetyltriglycine; UTI; urinary tract infection; US; ultrasound; Hydronephrosis; Kidney pelvis; Laparoscopy; Pelviur