变应性肉芽肿(zhong)allergic granulomatosis，AG也称过敏性肉芽肿(zhong)或(huo)过敏(min)性肉(rou)芽(ya)肿性血管炎是(shi)一种(zhong)以肺内及系统性小(xiao)血管(guan)炎症血(xue)管外肉芽(ya)肿(zhong)及高嗜酸粒细(xi)胞血症为特点的一种自(zi)身免疫性(xing)肉芽肿性血管(guan)炎(yan)是以(yi)哮喘嗜酸性粒细胞(bao)增(zeng)多和血(xue)管外(wai)肉(rou)芽