变应性肉(rou)芽肿(zhong)allergic granulomatosis，AG也称过(guo)敏性肉芽(ya)肿或过敏性(xing)肉芽肿性血管炎(yan)是一(yi)种(zhong)以肺内(nei)及系统性(xing)小(xiao)血管炎症血管外(wai)肉芽肿及高(gao)嗜(shi)酸粒细胞血症为(wei)特点的(de)一种(zhong)自身(shen)免(mian)疫性肉芽(ya)肿性血管炎是以哮喘嗜酸(suan)性(xing)粒(li)细胞(bao)增多和血管外肉芽