B-ultrasound and spiral CT are the optimal combination for the accurate diagnosis of ectopic pelvic kidney,especially when there are complications such as pelvic and ureteric duplication or compression from ectopic blood vessels.

• 确诊盆腔异位发育不良肾,尤其合并重复肾盂和输尿管或异位血管压迫等并发症时,B超和多层螺旋CT应是最佳诊断组合。