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本文分析了５２例ＣＴ资料完整的鼻咽癌病例，结果显示：咽旁间隙受侵在鼻咽癌中占８６．６％。即使在比较早期的Ｔ２也有１５．２％的病例咽旁间隙被侵犯。值得注意的是咽旁间隙未受侵者五年生存率为７１．４％，受侵犯者为５１．１％，统计学处理无显著性差异（Ｐ＞０．０５）。而累及后组颅神经者五年生存率仅为３％，统计学处理有显著性差异（Ｐ＜０．０５）。说明鼻咽癌的预后主要取决于重要组织的侵犯而不是病灶的大小和一些非重要组织的破坏。
In this paper, 52 cases of complete nasopharyngeal carcinoma with CT data were analyzed. The results showed that parapharyngeal space invasion accounted for 86.6% of NPC. Even in the earlier T2, 15.2% of the cases had parapharyngeal space violations. It is noteworthy that the 5-year survival rate of non-invaded parapharyngeal space was 71.4%, 51.1% of those who were infringed, no significant statistical difference (P> 0.05). However, the 5-year survival rate of cranial nerves in the latter group was only 3%. There was a significant difference in statistical analysis (P <0.05). That the prognosis of nasopharyngeal carcinoma mainly depends on the invasion of important organizations rather than the size of the lesion and the destruction of some non-important tissues.