新形隐球菌脑膜炎是一种全身性的真菌感染病,该菌是一种能侵犯中枢神经系统,且是唯一外包多醣被膜的霉菌。该菌除引起最常见的脑膜炎或脑膜脑炎外,尚可在脑、脊髓内形成肉芽肿和脓疡,导致占位性压迫症状。于七十年代初始有报导,目前发病有上升趋势。如国外1946年前仅报导108例,迄1956年已达300余例,目前文献所见约600余例。本病多见于美、澳;但亚洲地区较少,但近10年来亦有所增高。国内1958 Cryptococcus neoformans meningitis is a systemic fungal infection that attacks the central nervous system and is the only mold that encapsulates polysaccharides. In addition to causing the most common meningitis or meningoencephalitis, the bacteria can still form granulomas and abscesses in the brain and spinal cord, resulting in occupying oppression symptoms. It was initially reported in the seventies that the current incidence is on the rise. For example, only 108 cases were reported before 1946 in foreign countries, reaching more than 300 cases in 1956, with about 600 cases currently seen in the literature. The disease more common in the United States, Australia; but less in Asia, but also increased in the past 10 years. Domestic 1958