变应性肉芽肿allergic granulomatosis，AG也(ye)称过敏性肉芽肿或(huo)过(guo)敏性(xing)肉芽肿(zhong)性血管炎是(shi)一(yi)种以(yi)肺内及系统性小血管炎症(zheng)血管(guan)外肉芽(ya)肿(zhong)及高嗜酸(suan)粒细胞(bao)血(xue)症为特点(dian)的(de)一种(zhong)自(zi)身免疫性肉芽肿(zhong)性血管炎是(shi)以(yi)哮喘嗜酸(suan)性粒细胞增多和血管外肉(rou)芽