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。
Abnormal shape of optic chiasm with encephalomalacia of the frontal lobe was found in 1 case of trauma.
外伤1例，表现为视交叉形态异常伴额叶软化灶；
The relative cisterns are carotid cistern and optic chiasm cistern;
相关蛛网膜结构有颈动脉池、视交叉池；
Differentiation of"tunior shadow"from"mass shad-ow"on CT scan, Axial scan US direct coronal scan and the phenomeron of delayed decompres5ion of optic chiasm were discussed.
作者还对蝶鞍CT分辨瘤影和块影，轴位CT与直接冠状CT扫描，延迟性视交叉减压等进行了讨论。
Differentiation of"tunior shadow"from"mass shad-ow"on CT scan, Axial scan US direct coronal scan and the phenomeron of delayed decompres5ion of optic chiasm were discussed.
作者还对蝶鞍CT分辨瘤影和块影，轴位CT与直接冠状CT扫描，延迟性视交叉减压等进行了讨论。
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