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电子计算机断层扫描摄影(CT),是用 X 线对人体体层扫描,测定不同层面、不同组织对 X 线吸收系数,通过电子计算机的高速运算和图像重建,再组成该体层图像的方法。CT 具有无痛苦、定位准确和迅速安全的特点,自70年代应用于临床后,使脑血管病的诊断和鉴别诊断迎刃而解。现简要介绍脑血管病的 CT 表现。1.脑出血的 CT 表现发病后 CT 即能直接显示出血部位、范围大小、占位征象及是否破入脑室,并可计算出血量及推测其预后,根据病程可分
Computed tomography (CT) is a method of scanning the human body using X-ray and measuring the X-ray absorption coefficient at different levels and tissues by high-speed computing and image reconstruction of an electronic computer. CT has the characteristics of no pain, accurate positioning and rapid safety, since the 70s after the clinical application, the diagnosis and differential diagnosis of cerebrovascular disease solved. Now briefly introduce the CT manifestations of cerebrovascular disease. 1. CT appearance of cerebral hemorrhage After the onset of CT that can directly display the location of the bleeding, size, placeholder signs and whether broken into the ventricle, and can calculate the amount of bleeding and prognosis, according to the course of disease can be divided