变应性肉芽肿allergic granulomatosis，AG也称过敏性肉(rou)芽(ya)肿或过敏性(xing)肉芽肿性血管(guan)炎是一种以肺内及系统(tong)性(xing)小血(xue)管炎症血(xue)管外肉芽肿(zhong)及(ji)高(gao)嗜酸(suan)粒细胞血症(zheng)为(wei)特点(dian)的(de)一种(zhong)自身免疫性(xing)肉(rou)芽肿性血管炎(yan)是(shi)以哮喘嗜酸性粒细胞(bao)增多(duo)和血管外肉芽(ya)