This head CT scan demonstrates a mass with irregular margins in the region of the sella. Such a mass may impinge upon the optic chiasm, just like a pituitary adenoma.
头颅CT显示颅咽管瘤,在蝶鞍可见边缘不规则的大肿块,象垂体腺瘤一样压迫视交叉。
The cavernous sinus was the most easily involved structure (29.4%), followed by optic chiasm (21.8%) and clivus (14.1%).
海绵窦是最容易受累的结构(29.4%),其次是视交叉(21.8%)和斜坡(14.1%)。
Objective:To provide morphological evidences for the reasons of the visual field defect caused by the optic chiasm compressing through saddle area tumors.
目的:为鞍区肿瘤压迫视交叉引起视野缺损原因提供形态依据。
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