正常垂体磁共振(正常垂体磁共振图片)
微信公众号
PHILIPS
临床常见部位扫描方法及步骤
脑垂体(Pituitary)
体位(Situation): 仰卧位,头先进
定位线(Survey):线圈定位槽+两眉之间磁体中心
常规扫描序列:
常规扫描序列:
1. survey
2. reference
3. T2WI TSE SPAIR SAG
4. T1WI SE SAG
5. T1WI SE COR
6.T2WI TSE SPAIR COR
7.T1-SPIR COR
5 于 7 根据需要任意选择其中之一
增强扫描序列:
方法一:
(垂体病变超过 1cm 以上):
Copy T1WI SE +C COR
Copy T1WI SE +C SAG
方法二(垂体病变超过 1cm 以上):
T1WI 3D TFE+C SAGMPR 后处理,重建出 TRA,COR,SAG
方法三(垂体病变小于 1cm):
T1WI DYN TSE +C Cor
5 层,20 个动态,药量 5mml,药速 2.5mml/s.先扫描,第 5 个动态开始打药, 剂量一般为半剂量。
SIEMENS
脑垂体(Pituitary)
定位线:
![](https://p3-sign.toutiaoimg.com/pgc-image/efea69c4be6d46bfa6d1cf60d1ebbe6b~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=rCC7tGgOqv73N6cg%2FMGej13ApNk%3D)
常规扫描序列:
![](https://p3-sign.toutiaoimg.com/pgc-image/9efa6bdd5db443388b06485415cb9a0d~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=xB%2F1zhlX68jO2vKQAJK0gqudUXk%3D)
增强扫描序列:
![](https://p3-sign.toutiaoimg.com/pgc-image/400ab78df8074a24a3bed9d2857da58e~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=PH%2BZ6daDweH3i6h2siWBHPIuJkg%3D)
GE
脑垂体(Pituitary)
定位线:
![](https://p3-sign.toutiaoimg.com/pgc-image/56c5289752444e3d84a015939fe3f43e~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=w%2B%2FW81vY%2FVj7UyysIy5s4jV6C9A%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/88d6bd496da94ba49d5c2cf18f536714~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=57e4oQiwf0pRwQPluhJSsAFVFVo%3D)
常规扫描+增强序列:
![](https://p3-sign.toutiaoimg.com/pgc-image/412f9ea2684841e798370fbe6f11a1c9~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=UMK%2BA3FrkKWLjUaBb93mccQh8u0%3D)
病例分析
![](https://p3-sign.toutiaoimg.com/pgc-image/004b149afa0049728b10cc7ec5d43274~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=CqnW8DhVN%2B1fQ9xlw93pri0T0v4%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/e3907c1c36cd40baa57f49203c8145d1~tplv-tt-large.jpeg?x-expires=1970088352&x-signature=V2BgBAtlGe%2BcC1Ls6FesZxrmHUQ%3D)