变应性(xing)肉芽肿allergic granulomatosis，AG也(ye)称过敏性肉芽肿或(huo)过敏性肉芽肿(zhong)性血管(guan)炎(yan)是一种以肺(fei)内及系统(tong)性(xing)小血管炎症(zheng)血管外肉(rou)芽肿及高(gao)嗜酸(suan)粒细胞(bao)血症为特点的(de)一(yi)种自(zi)身免(mian)疫性(xing)肉芽肿性血管炎是以哮喘嗜(shi)酸性(xing)粒细(xi)胞增多(duo)和血管外肉芽(ya)