变应(ying)性肉(rou)芽肿allergic granulomatosis，AG也称过敏性肉芽(ya)肿或(huo)过敏性(xing)肉芽肿(zhong)性(xing)血管炎是一(yi)种以肺内(nei)及系(xi)统(tong)性小血管(guan)炎症血管外肉(rou)芽(ya)肿(zhong)及高嗜酸粒(li)细胞血症为(wei)特点的一种(zhong)自身(shen)免疫性肉芽肿性(xing)血管炎(yan)是以哮喘嗜酸性粒细(xi)胞增多和血管外(wai)肉(rou)芽