变应性(xing)肉芽肿allergic granulomatosis，AG也称过敏性肉芽肿或过敏性肉芽肿性血管(guan)炎是一种以肺(fei)内及(ji)系统性(xing)小血管(guan)炎症血(xue)管(guan)外肉(rou)芽肿及高嗜(shi)酸粒细胞(bao)血(xue)症为特点的一种(zhong)自身(shen)免(mian)疫性肉芽肿(zhong)性血管炎是以(yi)哮(xiao)喘嗜酸(suan)性(xing)粒细胞(bao)增多(duo)和血(xue)管外(wai)肉芽