变应性肉芽肿(zhong)allergic granulomatosis，AG也称过敏性肉芽肿或过敏性肉(rou)芽肿性(xing)血管(guan)炎是一种(zhong)以肺内及系统性(xing)小(xiao)血管炎(yan)症(zheng)血(xue)管外(wai)肉芽肿及高(gao)嗜酸粒(li)细(xi)胞(bao)血症为特点(dian)的(de)一(yi)种自身免疫(yi)性(xing)肉芽肿性血管(guan)炎是(shi)以哮喘(chuan)嗜酸性粒细胞增多和血管外肉芽