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上尿路结石占尿结石症的80％以上,最困难处理的是肾结石,而肾结石约占整个尿路结石的1/3。1971年河本毅报道,肾结石占尿路结石的28.4％,1978年高安久雄报道,上尿路结石多发性者占24.8％。1980年吴氏统计1976年全国2424例尿石症中,下尿路结石占16％,上尿路结石占84％。1979年龚氏分析580例尿石症,肾结石224例(38.6％),上下尿路结石之比为9.5∶1,与国外统计近似。肾内多发性结石不易取尽,原位肾脏的
Upper urinary tract stones account for more than 80% of urolithiasis, the most difficult to deal with kidney stones, and kidney stones account for about 1/3 of the urinary tract stones .1971 Hepburn reported that kidney stones accounted for 28.4% of urinary tract stones, In 1978, Takao Takao reported that multiple upper urinary tract stones accounted for 24.8%. 1980 Wu statistics In 1976, the national 2424 cases of urolithiasis, lower urinary tract stones accounted for 16%, upper urinary tract stones accounted for 84%. In 1979, Gong’s analysis of 580 cases of urolithiasis, 224 cases of kidney stones (38.6%), the ratio of upper and lower urinary tract stones was 9.5: 1, similar to foreign statistics. Multiple intra-renal stones are not exhaustive, in situ kidney