变应性肉(rou)芽肿allergic granulomatosis，AG也称过敏(min)性肉芽肿(zhong)或过敏性肉芽肿性血(xue)管炎(yan)是一(yi)种以肺内(nei)及系统(tong)性小血管炎症血管(guan)外肉芽(ya)肿(zhong)及高嗜(shi)酸粒(li)细胞血(xue)症(zheng)为(wei)特点的(de)一种自身免(mian)疫性肉芽肿性血管炎是以哮喘嗜酸性粒细胞(bao)增(zeng)多(duo)和血管外(wai)肉(rou)芽