变应性(xing)肉芽(ya)肿allergic granulomatosis，AG也称过敏性肉芽肿或过敏性肉芽肿(zhong)性血(xue)管(guan)炎是一种以肺内(nei)及系统性(xing)小血(xue)管炎症血管(guan)外(wai)肉芽肿及(ji)高嗜酸粒(li)细胞(bao)血症为特点的(de)一种自身免疫性(xing)肉芽肿性(xing)血管炎(yan)是以哮喘嗜(shi)酸性粒细(xi)胞增(zeng)多(duo)和(he)血(xue)管外肉芽