对ANCA相关小血管炎误诊为肺结核1例分析如下。1病历摘要男,68岁。因咳嗽,咳痰,痰中带血1个月,少尿5 d入院。入院1个月前无诱因出现发热,每天下午明显,最高体温不超过38.5℃,伴咳嗽,咳痰,痰液黏稠带血,自觉乏力纳差,体重下降5 kg,首诊于当地医院,胸部CT考虑为肺结核,20 d前予HR ANCA-related vasculitis misdiagnosed as tuberculosis in 1 case as follows. 1 medical summary male, 68 years old. Due to cough, sputum, sputum bloody 1 month, oliguria 5 d admission. 1 month before admission, there was no incentive for fever, every afternoon, the maximum temperature does not exceed 38.5 ℃, with cough, sputum, sputum viscous bloody, spontaneous fatigue, poor body weight loss 5kg, the first visit to a local hospital, chest CT considered tuberculosis, 20 days before the HR