变应(ying)性肉(rou)芽肿(zhong)allergic granulomatosis，AG也称过(guo)敏(min)性(xing)肉芽肿或过敏性(xing)肉芽肿性(xing)血管炎是(shi)一种以肺内及系统性(xing)小血管(guan)炎症血(xue)管外肉芽(ya)肿及(ji)高嗜酸粒细(xi)胞(bao)血症为特点的(de)一种自身免疫(yi)性肉芽肿(zhong)性血(xue)管炎是以哮喘嗜酸(suan)性(xing)粒细(xi)胞增多和(he)血管外肉芽