逆行性尿路造影时，如注射压力过高，会造成对比剂的肾脏回流，常见的回流类型为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24734' and id < 2118508 and id<>'2118508' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24734' and id > 2118508 and id<>'2118508' order by id asc limit 5