1. 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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2. Purpose: To evaluate the CT findings of spheno-ethmoidal region related to functional endoscopic sinus surgery.
目的：探讨CT对蝶筛区域解剖结构的评价能力，以期为功能性内窥镜鼻窦外科手术提供帮助。
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3. 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.
4. 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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5. 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.
