变应性肉芽(ya)肿allergic granulomatosis，AG也称过敏性肉芽肿或过敏性(xing)肉(rou)芽肿(zhong)性血管(guan)炎是一(yi)种以肺内及系(xi)统性小血(xue)管炎症(zheng)血管外肉芽肿(zhong)及高嗜酸粒细胞血症为特点(dian)的(de)一(yi)种(zhong)自身免疫性肉芽肿性血(xue)管炎(yan)是以(yi)哮(xiao)喘嗜酸性粒细(xi)胞(bao)增(zeng)多和血(xue)管(guan)外肉芽