变应性肉芽肿allergic granulomatosis，AG也称过敏性肉芽肿或(huo)过敏性肉芽肿(zhong)性血管(guan)炎是一(yi)种(zhong)以肺内(nei)及系统性小血管炎(yan)症(zheng)血管(guan)外肉(rou)芽(ya)肿(zhong)及高嗜(shi)酸粒细胞(bao)血(xue)症为(wei)特点的一种自身免疫性肉芽肿性血(xue)管(guan)炎(yan)是(shi)以哮喘嗜酸(suan)性粒细胞(bao)增多和(he)血管外肉芽