变应性(xing)肉芽肿(zhong)allergic granulomatosis，AG也(ye)称(cheng)过敏性肉芽肿或过敏性(xing)肉芽肿性血管炎(yan)是(shi)一种以肺(fei)内及系(xi)统性小血管(guan)炎症(zheng)血管外肉芽(ya)肿及高嗜酸粒细胞(bao)血症为特点的一种自(zi)身免(mian)疫性肉芽肿性血管炎是(shi)以(yi)哮喘(chuan)嗜酸性(xing)粒细(xi)胞增(zeng)多和(he)血(xue)管外肉芽