变应性肉芽肿allergic granulomatosis，AG也称过敏性肉芽肿或过敏性肉(rou)芽(ya)肿性血(xue)管(guan)炎是一种以肺内及系统(tong)性小血管炎症(zheng)血(xue)管外肉芽肿(zhong)及高嗜(shi)酸粒(li)细胞血症为特点的一种自身(shen)免疫性肉芽肿(zhong)性血(xue)管炎(yan)是(shi)以哮(xiao)喘(chuan)嗜酸(suan)性粒(li)细(xi)胞增(zeng)多和血管(guan)外肉(rou)芽