变应性(xing)肉芽肿(zhong)allergic granulomatosis，AG也称过(guo)敏性肉芽(ya)肿或过(guo)敏性肉芽肿性血管炎是(shi)一种以(yi)肺内及系(xi)统性(xing)小(xiao)血(xue)管炎症血管外肉芽肿及(ji)高嗜酸粒细胞血症为特(te)点的一种(zhong)自身免疫(yi)性(xing)肉(rou)芽肿(zhong)性血管炎(yan)是(shi)以(yi)哮喘嗜(shi)酸性粒细胞增(zeng)多和血管外肉(rou)芽