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脊髓空洞症（Ｓｙｒｉｎｇｏｎｉｙｅｌｉａ ＳＹ）为病因尚不明确的疾病，发病率８．４／１０万，５０％～７０％伴有小脑扁桃体下疝（Ｃｈｉａｒｉ畸形）［１］。多数病人２５～３０岁后症状加重，进展快者可出现截瘫、偏瘫。我们采用环枕减压和脊髓空洞一腹腔分流联合手术治
Syringoniyelia SY is a disease with unclear etiology, with a prevalence of 8.4 / 100 000 and 50% -70% associated with cerebellar tonsillar herniation (Chiari’s deformity) [1]. The majority of patients 25 to 30 years of age after the symptoms worse, progress may occur paraplegia, hemiplegia. We use a ring pillow decompression and syringomyelia shunt surgery