[问答题,简答题] 少枝胶质细胞瘤的CT表现特点?

上颌窦诸壁中没有哪个壁() ["A．顶壁","B．前壁","C．后壁","D．外侧壁","E．内侧壁"] 帽状腱膜下血肿的CT表现有哪些? 在体位直立状态下不能引流鼻窦的() ["A．额窦","B．筛窦","C．蝶窦","D．上颌窦","E．前筛窦"] CT诊断脑萎缩的简易方法有哪些? 上颌窦发育成成人形态的年龄是() ["A．5岁","B．10岁","C．15岁","D．20岁","E．22岁"] 少枝胶质细胞瘤的CT表现特点?