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变应性肉芽(yá )肿allergic granulomatosis，AG也称(chēng )过敏性(xìng )肉芽肿或(huò )过敏(mǐn )性肉芽(yá )肿性血管(guǎn )炎是(shì )一种(zhǒng )以肺内及系统性(xìng )小血管炎症血管(guǎn )外(wài )肉芽肿(zhǒng )及(jí )高嗜酸粒细胞血症为特点(diǎn )的(de )一种(zhǒng )自(zì )身免疫性(xìng )肉芽(yá )肿性(xìng )血管炎(yán )是以哮喘(chuǎn )嗜酸性(xìng )粒细胞增多(duō )和血管(guǎn )外(wài )肉芽(yá )