41例完全性鹿角样结石(结石充填肾盂并至少2个肾盏),男性7例,女性34例,平均年龄46岁,右侧15例,左侧26例,25例存在持续性尿路感染,10例曾手术切开取石,4例为孤立肾结石。结石长径3.2—11.2(平均7.(?))cm,宽径1.6—8.0(平均4.3)cm,93％的胃集合系统大于10cm~2,59％大于20cm~2。如无严重腰痛、发热、脓毒血症,病人于治疗当日出院。结石碎片小于0.2—0.3cm时可认为碎石完全。全部病人碎石前行IVP确定肾功能情况及有无输尿管解剖异常或梗阻。最初21例ESWL前未留置输尿管内支架管,后20例经膀胱逆行置入6 F血管 41 cases of complete antler-like calculus (calculi with renal pelvis and at least 2 calyces), 7 males and 34 females, mean age 46 years old, right 15 cases, left 26 cases, 25 cases of persistent urinary tract infection , 10 cases had surgical removal of stone, 4 cases of isolated kidney stones. The stones have a long diameter of 3.2-11.2 cm (average 7. (?)) Cm and a width of 1.6-8.0 (average 4.3 cm). The 93% gastric collecting system is larger than 10 cm -2,9% larger than 20 cm -2. If no severe back pain, fever, sepsis, the patient was discharged on the day of treatment. Stone fragments less than 0.2-0.3cm can be considered gravel completely. All patients before gravel IVP to determine renal function and ureteral anatomy or obstruction. The first 21 ESWL patients had no ureteral stent graft before, and the other 20 patients were retrogradely infused with 6 F blood vessels