Step 2, the pararenal fat was cut off totally, partially or be removed away to the inferior part of pneumoretroperitoneum to expose the lateral conical fascia; 第2步,在侧锥筋膜表面游离肾旁脂肪深面,切除全部或部分肾旁脂肪,显露侧锥筋膜。
The operative pneumoretroperitoneum time was> 180 min in 6 cases; 180 min, 110 min, and < 100 min each in 1 case. 手术气腹时间>180min6例,110、180min、<100min各1例。