变应(ying)性肉芽肿allergic granulomatosis，AG也(ye)称(cheng)过敏性肉芽肿(zhong)或过敏(min)性肉芽肿性血管炎(yan)是一种以肺内及(ji)系(xi)统(tong)性小血管炎症血管(guan)外肉芽肿及高嗜酸粒细胞(bao)血症(zheng)为特(te)点的一(yi)种自身免疫性(xing)肉(rou)芽肿(zhong)性(xing)血管炎是以(yi)哮喘嗜酸性粒细胞(bao)增(zeng)多(duo)和血管外(wai)肉芽(ya)