头颅 CT 扫描是一种无损伤颅脑检查方法。较以前的检查技术,显然有它独到之处。CT 扫描对病灶的定位及性质的判断有很大帮助,对较小的病灶也可清楚地显示。1976年 Cala 等报告了19例多发性硬化病人的 CT 扫描表现,发现了大脑的多发性硬化病灶,视神经的脱髓鞘病灶及皮层萎缩等改变。Gyldensted 等对110例多发性硬化病人的 CT 扫描也发现了脑室周围区域 Head CT scan is a non-invasive method of brain examination. Compared with the previous inspection techniques, it is clear that it has its unique features. CT scan of the location and nature of the judgment of the great help, for smaller lesions can be clearly displayed. In 1976, Cala et al. Reported the CT scans of 19 patients with multiple sclerosis and found multiple lesions of the brain, demyelinating optic nerve and cortical atrophy. Gyldensted and other 110 cases of multiple sclerosis CT scan also found around the periventricular area