变应性肉(rou)芽肿allergic granulomatosis，AG也称过敏(min)性肉芽肿或过敏(min)性肉芽肿性血管(guan)炎(yan)是(shi)一种以肺内(nei)及系统性(xing)小血管(guan)炎症(zheng)血管外(wai)肉芽肿及高(gao)嗜酸(suan)粒细胞血(xue)症为特点的一种自身免(mian)疫性肉芽(ya)肿(zhong)性血管(guan)炎(yan)是(shi)以哮(xiao)喘嗜酸性粒细胞增多和血(xue)管外(wai)肉芽