Conclusion: ct is able to screen the anatomy and the variations of spheno-ethmoidal region related to function endoscopic sinus surgery. This is a good guide to the surgery.

结论：CT扫描能显示蝶筛区域与功能性内窥镜鼻窦外科手术有关的绝大部分解剖结构及其变异，对手术有很大的指导作用。

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Objective To explore the operative methods of spheno-orbital meningioma.

目的探讨蝶眶脑膜瘤的手术方法。

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Destruction of spheno-occipital bone can be found in roentgenogram. It is difficult to distinguish chondroid chord?oma from chordoma and chondrogenic tumors which occur in this region.

本病与发生于颅底的脊索瘤和软骨源性肿瘤不易鉴别，组化染色与电镜检查对鉴别诊断有帮助。

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