变应性肉芽肿allergic granulomatosis，AG也称过敏性(xing)肉芽(ya)肿或过敏性(xing)肉芽肿性(xing)血(xue)管(guan)炎是(shi)一种以肺内及系统性小血(xue)管炎症血管外(wai)肉(rou)芽肿(zhong)及(ji)高(gao)嗜酸粒细胞血症(zheng)为(wei)特点的(de)一种(zhong)自(zi)身(shen)免疫性肉芽肿(zhong)性(xing)血(xue)管炎是以哮(xiao)喘嗜酸(suan)性粒细胞增多和血管外肉芽