泌尿系感染(UTI)是儿科多发病之一,并可损害在发育过程中的肾脏,必须注意。准确判断病变部位对预后及治疗都很重要。肾穿刺活组织的细菌学和组织学检查及输尿管导尿的细菌学检查,虽然可靠,但创伤太大,故儿科不采用。近年来开展膀胱洗涤法,不但创伤小,对确定病原菌及部位诊断都较可靠。 Urinary tract infection (UTI) is one of the most common pediatric diseases and can damage the kidneys during development. Care must be taken. Accurately determine the location of the lesion is very important prognosis and treatment. Bacteriological and histological examination of renal biopsy tissue and ureteral catheterization bacteriological examination, although reliable, but the trauma is too large, so the pediatrics is not used. In recent years to carry out the bladder washing method, not only less traumatic, to determine the diagnosis of pathogens and parts are more reliable.