变应性肉芽肿(zhong)allergic granulomatosis，AG也(ye)称过敏性肉芽肿或过敏性肉(rou)芽肿性(xing)血管炎(yan)是一(yi)种以肺内及系统性小血管(guan)炎症血管外肉芽(ya)肿(zhong)及(ji)高(gao)嗜酸粒(li)细胞血症为特(te)点的(de)一种(zhong)自(zi)身免疫性肉芽肿性(xing)血管炎是以哮喘嗜(shi)酸性粒细(xi)胞增(zeng)多和血(xue)管外(wai)肉芽