变应性肉芽肿allergic granulomatosis，AG也称过敏(min)性肉(rou)芽肿或(huo)过敏性肉芽肿(zhong)性血管炎是(shi)一种以肺内(nei)及系(xi)统性小(xiao)血管(guan)炎(yan)症血管(guan)外(wai)肉(rou)芽肿及(ji)高嗜(shi)酸粒细胞血症为特点(dian)的一种自身免(mian)疫(yi)性肉芽肿性血管炎是(shi)以哮(xiao)喘嗜酸性粒细(xi)胞增(zeng)多和血(xue)管外肉(rou)芽