Results:Renal insufficiency caused by AAN was diagnosed in 1 patient after taking the medicine containing aristolochic acid(AA) for a long time(15 years).

• 结果:长期服用含马兜铃酸药物史,并确诊为马兜铃酸肾病,肾功能不全并发血尿的患者,手术证实肾盂移行细胞癌。