变应性肉芽肿allergic granulomatosis，AG也称过敏性(xing)肉芽肿或过敏(min)性肉(rou)芽肿性血管(guan)炎是(shi)一种以(yi)肺内(nei)及系统(tong)性(xing)小血管(guan)炎(yan)症血管外(wai)肉芽肿及(ji)高(gao)嗜酸粒细胞血(xue)症(zheng)为特点的(de)一种(zhong)自身免疫(yi)性肉芽肿性血管炎是以(yi)哮(xiao)喘嗜酸性粒细胞增多和血管外(wai)肉芽(ya)