变应性肉芽(ya)肿(zhong)allergic granulomatosis，AG也称过敏性肉(rou)芽肿(zhong)或(huo)过敏性(xing)肉(rou)芽肿性血管炎(yan)是(shi)一种以肺内及系统性小(xiao)血管(guan)炎症血管(guan)外肉芽(ya)肿及(ji)高嗜酸粒细(xi)胞(bao)血症为特点的一种(zhong)自身(shen)免疫性肉芽肿性血(xue)管炎是(shi)以哮喘嗜(shi)酸性粒细胞增多(duo)和血管外(wai)肉芽