变应(ying)性肉芽(ya)肿(zhong)allergic granulomatosis，AG也称过敏性(xing)肉芽(ya)肿(zhong)或过敏(min)性肉(rou)芽(ya)肿(zhong)性血管炎是一(yi)种(zhong)以肺内及系统性小血管炎症血管外肉芽(ya)肿及高嗜酸粒细胞血症为特点(dian)的一种(zhong)自身免疫性肉芽肿性血(xue)管炎是以(yi)哮喘嗜酸性(xing)粒(li)细(xi)胞(bao)增多(duo)和血(xue)管外肉芽(ya)