急性局灶性细菌性肾炎少见,易与肾肿瘤、肾周围感染等混淆.我院收治3例,报告如下.例1:男,35岁.15天前突感左腰胀痛,痛向左腹牵引,近10天来伴有发热、尿痛、尿次增多,无脓尿、血尿史.病前10天有左足外伤史.体检:T38.5℃,P84次/分, Acute focal bacterial nephritis rare and easily confused with the renal tumor, perirenal infection, etc. Our hospital admitted in 3 cases, the report is as follows.Example 1: Male, 35 years old .15 days ago Sudden sense of left lower back pain, pain left Abdominal traction, the past 10 days accompanied by fever, dysuria, increased urinary tract, no history of pyuria, hematuria .10 days before the disease there is a history of left foot trauma. Physical examination: T38.5 ℃, P84 times / min,