变应性肉芽肿allergic granulomatosis，AG也(ye)称过(guo)敏性肉芽肿或过敏性(xing)肉芽肿(zhong)性血管炎是一种(zhong)以肺(fei)内(nei)及系(xi)统(tong)性小血管炎(yan)症血管外肉芽肿及高嗜酸(suan)粒(li)细(xi)胞血(xue)症为特点的一种(zhong)自(zi)身免疫性(xing)肉芽肿性血(xue)管炎是(shi)以哮喘嗜酸(suan)性(xing)粒细胞增(zeng)多(duo)和(he)血管外肉芽