远达性视网膜病变
少枝胶质细胞瘤的典型CT表现为() ["A．病灶不均匀强化","B．表现为环状强化","C．病灶边缘不锐利","D．占位效应明显","E．病灶内可见不规则钙化"]
Gunn征
糖尿病可有()重症肌无力可有()甲状腺功能亢进可有()眼结核可有()垂体肿瘤可有() ["A．双颞侧偏盲","B．眼球突出","C．虹膜红变","D．上睑下垂","E．虹膜结节"]
多发性硬化的病理改变为() ["A．炎性浸润","B．局灶性细胞水肿","C．脑白质脱髓鞘","D．脑灰质坏死","E．缺血缺氧"]
肝豆状核变性()额叶肿瘤()急性粒细胞性白血病()急性颅内出血()感染性心内膜炎()
