女性，33岁。尿频、尿急、尿痛1天，肉眼血尿2小时就诊，尿常规:WBC 200个/HP，RBC150个/HP，尿红细胞畸形率20%。尿细菌培养结果回报为阴性，可能的原 因为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31874' and id < 2548330 and id<>'2548330' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31874' and id > 2548330 and id<>'2548330' order by id asc limit 5