变应性肉芽肿allergic granulomatosis，AG也称过敏性肉芽(ya)肿(zhong)或过敏性肉芽(ya)肿(zhong)性(xing)血(xue)管(guan)炎是一种(zhong)以(yi)肺内及系统性小血管(guan)炎症血(xue)管外肉芽肿(zhong)及高嗜(shi)酸粒细胞血(xue)症为(wei)特点的(de)一种(zhong)自身免疫性肉(rou)芽肿性(xing)血管炎是以哮(xiao)喘(chuan)嗜酸(suan)性粒细胞增(zeng)多和血管外肉芽