变应性肉芽肿(zhong)allergic granulomatosis，AG也称过(guo)敏性肉芽肿或过(guo)敏性肉芽肿性血管炎是一种以(yi)肺内及系(xi)统性小(xiao)血管(guan)炎症(zheng)血管外肉(rou)芽肿及高嗜酸粒细(xi)胞血症为特点的(de)一种自(zi)身(shen)免疫性(xing)肉(rou)芽肿(zhong)性(xing)血(xue)管炎(yan)是以(yi)哮喘嗜酸性粒(li)细胞增(zeng)多和(he)血管外肉芽(ya)