变应性肉芽肿(zhong)allergic granulomatosis，AG也称过(guo)敏性肉芽(ya)肿或(huo)过敏性肉芽肿性(xing)血管炎(yan)是一种以肺(fei)内(nei)及系统(tong)性小血(xue)管炎(yan)症血管(guan)外肉芽肿(zhong)及高嗜酸粒细胞血(xue)症为(wei)特点的(de)一种自身免疫性肉芽肿(zhong)性(xing)血管(guan)炎是(shi)以哮(xiao)喘嗜酸性粒(li)细胞增(zeng)多和血管外(wai)肉芽