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脊索瘤来源于残留骨组织中的迷走脊索组织,可发生于脊索分布的任何处。据统计:颅底占35％,尾骶部占55％,其它椎体占10％,其中以颈椎最多,次为腰椎,胸椎最少。这种分布不均按Horwitzt 的解释是这些区域的脊索弯曲而多分枝,有更多移位于骨组织的机会。脊索瘤的文献报告,至1960年世界文献已有300多例,国内已有17例报告,其中鼻咽颅底脊索瘤五例。我科自1964～1971年间共收治头颈脊索瘤7例(男性4例,女性3例,年龄在27～66岁之间),其中鼻咽颅底部六例,口咽及喉咽1例,鼻咽颅底6例中,1例侵犯鼻腔2例蔓延口咽,1例侵犯斜
Chordomas originate from vagal spinal cord tissue in the residual bone tissue and can occur anywhere in the notochord distribution. According to statistics: 35% of the skull base, 55% of the cercariae, other vertebrae accounted for 10%, of which the most cervical spine, followed by the lumbar spine, thoracic spine least. This maldistribution according to Horwitzt’s explanation is that the spinal cords in these regions are curved and multi-branched, with the opportunity to move more to bone tissue. The literature of chordoma reports that there were more than 300 cases of world literature in 1960, and 17 cases have been reported in the country, including 5 cases of nasopharyngeal skull base chordoma. In our department, 7 cases of head cervical chordoma were treated from 1964 to 1971 (4 males, 3 females, aged 27-66 years), including 6 cases of nasopharyngeal skull base, 1 case of oropharynx and hypopharynx, and nose In 6 cases of pharyngeal skull base, 1 case was invaded by nasal cavity and 2 cases spread oropharynx, 1 case was in violation of oblique