变应性肉芽肿allergic granulomatosis，AG也称过敏性肉芽肿(zhong)或过敏性(xing)肉芽肿性血管炎是(shi)一种以肺内(nei)及(ji)系(xi)统性小血管(guan)炎症(zheng)血(xue)管(guan)外肉芽肿及高(gao)嗜酸粒细胞血(xue)症为特点的(de)一种(zhong)自身(shen)免疫(yi)性肉芽(ya)肿性血(xue)管炎(yan)是(shi)以哮喘(chuan)嗜酸性粒细胞增多和血管外肉(rou)芽