脑部病变检查CT好还是磁共振好 李强 重庆市綦江区人民医院 скачать в хорошем качестве

脑部病变检查CT好还是磁共振好 李强 重庆市綦江区人民医院

脑部病变检查CT好还是磁共振好 李强 重庆市綦江区人民医院 总的来说对脑部病变的检查磁共振较CT更加优越，因为磁共振成像是一个多序列、多参数的成像，一般情况下颅内的扫描要做几个序列的扫描，第一、T1加权像，主要了解颅脑的解剖的情况，对一些解剖的变异的情况做一定的了解，第二、就是T2加权像，第三、就是FLAIR像，FLAIR像主要是把脑部的水压下去，它对脑组织的病变的显示更加优越，同时还可以做弥散加权成像，在脑部把它作为一个常规扫描，特别是对急性脑梗塞的诊断是非常有用的，还有对脑部的脓肿、肿瘤的定性诊断也是非常的重要，同时脑部的检查在磁共振方面，还有很多功能成像，比如，DTI检查MRS检查，DTI检查也是一种功能成像，它可以了解脑部的一些纤维素的变化，比如肿瘤是否浸泛他的纤维素有没有中断破坏，还有就是MRS检查也有非常大的帮助。 CT or MRI examination of brain lesions In general, MRI is superior to CT in the examination of brain lesions, Because MRI is a multi sequence, multi parameter imaging, In general, several sequences of intracranial scanning are needed, First, T1 weighted image, To understand the anatomy of the brain, To understand the variation of some anatomy, The second is T2 weighted image, Third, the image of flair, Flair seems to be mainly used to lower the pressure on the brain, It is more superior in showing the pathological changes of brain tissue, At the same time, it can do diffusion-weighted imaging, In the brain as a routine scan, Especially for the diagnosis of acute cerebral infarction, It is also very important for the qualitative diagnosis of brain abscesses and tumors, At the same time, in terms of MRI, There's a lot of functional imaging, For example, DTI check Mrs check, DTI is also a functional imaging, It can understand some of the changes in cellulose in the brain, For example, whether the tumor is soaked in his cellulose and whether it is interrupted or damaged, Besides, Mrs inspection is also very helpful.