Results a primary classification based on the relationship between the pituitary stalk and sellar tumors was introduced and our experience in preserving the pituitary stalk was expatiated.
结果对垂体柄与鞍区肿瘤的关系进行了初步分类，总结了针对不同关系类型的垂体柄的保护方法。
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CONCLUSIONS: Atypical tumors were identified in 15% of resected pituitary adenomas, and they tended to be aggressive, invasive macroadenomas.