变应(ying)性(xing)肉芽肿allergic granulomatosis，AG也称过(guo)敏性(xing)肉芽肿或过敏性(xing)肉芽肿性血管炎是一种以肺内及系(xi)统(tong)性小血管(guan)炎(yan)症血管(guan)外(wai)肉(rou)芽肿及高嗜酸粒(li)细胞血症为(wei)特(te)点(dian)的一种自(zi)身免(mian)疫性肉(rou)芽肿(zhong)性血管炎是以哮喘嗜酸性粒细胞增(zeng)多和血管外(wai)肉芽