IVU and CTU showed good image in 18 cases and improved image in 7.Conclusions Robot-assisted transperitoneal laparoscopic pyeloplasty is a more effective, more precise and minimally invasive surgical management for UPJ stricture.

• IVU、CT尿路造影(CTU)显影良好者18例,显影改善者7例。 结论机器人辅助腹腔镜肾盂成形术治疗UPJ狭窄所致肾积水使手术效率提高,操作更加精确,疗效满意。