变应性肉芽肿allergic granulomatosis，AG也称过敏性(xing)肉芽(ya)肿(zhong)或过(guo)敏性肉(rou)芽(ya)肿性血(xue)管炎是一种以肺内(nei)及系统性小血管炎(yan)症血管(guan)外(wai)肉(rou)芽(ya)肿(zhong)及高嗜(shi)酸粒细胞(bao)血症(zheng)为特点(dian)的一种(zhong)自身免疫性(xing)肉芽肿性血管炎(yan)是(shi)以(yi)哮喘嗜酸性粒细胞增多和血管(guan)外肉芽