变应性肉芽肿allergic granulomatosis，AG也称过敏(min)性肉芽(ya)肿(zhong)或过敏(min)性肉芽肿(zhong)性(xing)血管炎(yan)是一种以肺内及(ji)系(xi)统性小血(xue)管炎症(zheng)血管(guan)外(wai)肉(rou)芽(ya)肿及高嗜酸粒细胞(bao)血症(zheng)为特点的一种自身免疫性肉芽肿性血管炎(yan)是(shi)以哮(xiao)喘嗜酸性粒细(xi)胞增多和血管外肉芽(ya)