变应(ying)性肉(rou)芽(ya)肿allergic granulomatosis，AG也(ye)称过敏性肉芽肿或过敏性肉芽肿性血管炎是(shi)一种(zhong)以肺内及系(xi)统性小(xiao)血管炎(yan)症血管外肉芽(ya)肿及高嗜酸粒细(xi)胞(bao)血症(zheng)为(wei)特点的一种(zhong)自(zi)身免(mian)疫性肉芽肿性血管(guan)炎是(shi)以(yi)哮喘嗜酸(suan)性粒细(xi)胞(bao)增多和血管外肉(rou)芽