变应性(xing)肉芽肿allergic granulomatosis，AG也(ye)称过敏性肉(rou)芽肿或(huo)过敏性肉芽(ya)肿性血管(guan)炎(yan)是一种以肺内及系统性(xing)小血(xue)管炎症血管外(wai)肉(rou)芽肿及(ji)高嗜酸粒细胞血(xue)症(zheng)为(wei)特点(dian)的(de)一种自(zi)身(shen)免(mian)疫性(xing)肉芽肿性血管炎是以哮喘嗜酸性(xing)粒细(xi)胞增多和血管外肉芽