变应性肉芽肿allergic granulomatosis，AG也称过敏性肉芽肿或过敏性(xing)肉芽肿性血(xue)管炎是一种(zhong)以肺内及系统(tong)性(xing)小血(xue)管(guan)炎症血管(guan)外肉(rou)芽(ya)肿及(ji)高嗜酸粒细胞血症为(wei)特点的(de)一种(zhong)自身免疫性肉芽肿性(xing)血(xue)管(guan)炎是(shi)以哮喘嗜酸性(xing)粒细(xi)胞增(zeng)多(duo)和血管外(wai)肉(rou)芽