梯度回波
- 网络gradient echo;gradient-echo;GRE;FSPGR
![梯度回波](../cache/1506132.jpg)
-
在此基础上对梯度回波成象序列进行总结和分类。
Finally a classification and summary are proposed for these GRE sequences .
-
四肢骨关节MR梯度回波在半月板损伤检查中的应用
Dedicated MRI gradient echo used in meniscus injury diagnosis
-
基于MR三维梯度回波与扩散加权成像序列的脑表面重组技术比较
Three-dimensional reconstruction of brain surface anatomy : technique comparison between flash and diffusion-weighted imaging
-
膝关节软骨MRI梯度回波序列的参数优化
Optimal parameters of MRI different FE sequences of knee articular cartilage
-
MRI梯度回波T2加权序列对脑内海绵状血管瘤的诊断价值
The Value of Gradient Echo T_2WI Sequence in Detecting Cerebral Angioma
-
梯度回波化学位移MRI诊断脂肪肝的研究
The Study of Gradient-echo Chemical Shift MRI in Diagnosing Fatty Liver
-
脑膜瘤相对血流量MR定量检测:梯度回波与平面回波序列法的比较
MR quantitative measurement of relative blood volume in patients with meningioma : comparison of gradient echo and echo planar imaging sequences
-
采用快速小角度激发扰相梯度回波序列(FLASH)行动态增强扫描。
Dynamic MR contrast-enhanced imaging was done by FLASH 3D spoiled gradient echo sequence .
-
对3D快速梯度回波扫描序列获得膝关节各关节软骨3D图像,利用最大信号强度投影法(MIP)进行3D重建。
The articular cartilages on 3D images were reconstructed using maximum intensity projection ( MIP ) .
-
流动质子NMR信号强度与梯度回波中翻转角间的关系
The relationship between signal intensity of flowing protons and flip angle in flash
-
肝脏脂肪浸润:应用临床MR系统的双相T1梯度回波进行检测和分级
Fatty infiltration of the liver : Detection and grading using dual T1 gradient echo sequences on clinical MR system
-
目的评价三维梯度回波(3DSPGR)增强MRA对颅脑巨大动脉瘤的应用价值。
Objective To evaluate 3D SPGR MRA in diagnosing large intracranial aneurysm .
-
目的:利用完全平衡快速梯度回波(BALANCEFFE)序列探讨其在腹部磁共振胰胆管水成像(MRCP)中的应用。
Objective : To discuss the application of BALANCE - FFE sequence in abdominal MRCP .
-
15例均行MRI常规SE序列扫描和梯度回波化学位移同、反相位序列检查。
All cases were undergone unenhanced MR examination which consisted of conventional SE sequences and GRE chemical shift in and out phase imaging .
-
T2加权梯度回波成像对血管征的易感性在鉴别卒中亚型中的意义
Significance of susceptibility vessel sign on T2-weighted gradient echo imaging for identification of stroke subtypes
-
目的:探讨MRI中T1加权选择水激励梯度回波成像(T1W/WATS/FFE)序列在肾上腺疾病检查中的应用价值。
Objective : To study the T_1W / WATS / FFE series of MRI applied in the diagnosis of adrenal diseases .
-
结果:膝关节矢状位MRI梯度回波序列T2WI和质子密度序列中,股骨髁与胫骨平台的骺软骨MRI能显示出3层不同的信号强度。
Results : The T_2WI ~ sequence MRI can display three different signal strength of layers of knee joint cartilage .
-
屏气电影法MRI评价左室功能初步研究MR动态增强扫描采用一次屏气梯度回波序列,快速小角度激发二维(FLASH2D)准T1WI加权像。
The Preliminary Study of Left Ventricular Function by Breath-hold Cine MR Imaging Breath-hold dynamic scans with FLASH 2D T1-weighted imaging were obtained .
-
目的:探讨MRI中三维T1加权成像梯度回波(3DT1WI/TFE)序列在肝硬化结节诊断中的价值。
Objective : To study the 3D T 1WI / TFE sequence of MRI applied in the diagnoses of hepatic cirrhosis nodules .
-
分别在静息时和各个负荷水平采用梯度回波技术,在短时屏气期间,采集3个短轴平面、1个四腔位和1个二腔位MR图像。
The staircase recoil-wave shill was adopted at rest and each loading level , MRI images were acquired during short breath-holds in 3 short-axis views and a 4 - and a 2-chambre view .
-
脉冲序列采用梯度回波序列,在x、y或z轴上施加运动敏感梯度(MSG)。
A modified gradient echo sequence was developed with motion sensitizing gradient ( MSG ) imposed along X , Y or Z direction .
-
梯度回波序列(GRE)在脊椎病变的诊断作用
To evaluate the diagnostic role of gradin-echo in spondylopathy
-
目的探讨增强MR血管造影的方法,评价快速梯度回波序列增强MR数字减影血管造影对腹主动脉、髂动脉及下肢动脉病变的诊断价值。
Objective To study the method of 3D contrast enhanced MR digital subtraction angiography ( MR DSA ) and evaluate the diagnostic value in patients with abdominal aortic , iliac and lower extremity artery diseases .
-
SWI是一种三维、高分辨率、T2加权的梯度回波成像方式。
SWI is a 3D , high resolution , T2-weighted , and gradient-echo imaging technique .
-
室管膜下结节是TSC最重要的MR影像学表现之一,以T1加权成像(T1WI)及梯度回波序列显示效果最佳。
T1-weighted imaging ( T1WI ) and gradient echo sequences are more sensitive to the subependymal nodules than T2-weighted imaging ( T2WI ) .
-
其中7例用T1加权三维磁化强度预备梯度回波序列扫描用于立体定位活检。
Seven cases were scanned with T1WI three-dimensional magnetization prepared rapid acquisition gradient echo sequences ( T1WI-3D-MP RAGE ) for stereotactic biopsy .
-
外伤病变首选HRCT,面肌痉挛病人首选梯度回波T1WI。
HRCT was first choose with traumatic patients and RF-FAST T1WI sequenced were performed in patients with facial spasm .
-
移植后10周,在T2和T2梯度回波仍可观察到移植区的低信号,同时移植区有混杂信号。
10 weeks after transplantation , the hypo-intense signals and mixed signals were also found on T2 weighted and T2 gradient echo imaging .
-
目的:探讨MR三维扰相梯度回波序列(3dimension-spoiledgradientrecalledecho,3D-SPGR)冠状位快速动态增强对肝脏占位性病变的诊断价值。
Objective : To evaluate the diagnostic value of 3D-SPGR coronal dynamic contrast-enhanced MRI in liver space occupying lesions .
-
结果:扫描结果显示在自旋回波和梯度回波的T2加权序列中,肝实质呈明显负性强化。
Results : The study shown that the hepatic parenchyma had a significantly negative enhancement in T 2 weight of SE and GRE sequence .