The bulgings of the optic canal formed on the lateral wall of the most posterior ethmoidal cells and the sphenoid sinus were demonstrated in 48 and 47 cases respectively; 视神经管在最后筛房、蝶窦外侧壁形成隆起者分别为48侧和47侧;
The ultimate ethmoidal cells in 23 sides ( 23%) were larger then or equal to the sphenoid sinus of the same side. 其中,最后筛房大于或等于同侧蝶窦腔的有23侧(23%)。