您要查找的是不是：
- Functional magnetic resonance imaging (fMRI) have been widely used to lbrain check,especially diffusion weighted imaging(DWI)and diffusion perfusion weighted imaging(PWI). 功能磁共振成像已比较广泛地用于颅脑检查,尤以磁共振弥散加权像(DWI)和灌注加权像(PWI)应用较多。
- Application of functional magnetic resonance diffusion weighted imaging(DWI) and perfusion weighted imaging(PWI) MRI can diagnose early acute cerebral infarction. 功能MR弥散加权成像(DWI)和血流灌注成像(PWI)磁共振技术的应用可诊断早期脑梗死,结合DWI和PWI可以确定缺血半暗带和血流灌注情况;
- Diffusion perfusion weighted imaging (PWI) can provide more useful information in superacute stage,of which the changes in perfusion imaging is earlier than that of DW1. PWI能在超急性阶段提供非常有用的信息,在超早期脑缺血性卒中灌注图像改变要先于DWI图像改变。
- T-1 and T-2 weighted imaging(WI) were performed on both ax ialand sagital planes. MRI检查采用GE 0.;5T超导成像系统，行横断面和矢状面T1、T2加权成像。
- Transaxial T1,T2 weighted imaging and coronal T1 weighted imaging performed routinely on DISONICS 0.35 tesla superconducted imaging system. MRI成像采用DISONICS0.;35T超导成像系统，行横断面T1、T2加权及冠状面T1加权成像。
- Keywords central neurocytoma;MRI;perfusion weighted imaging; 中枢神经细胞瘤;磁共振成像;灌注成像;
- Pea tipically appears low signal intensity in peripheral zone at T2 weighted imaging(T2WI),while the signal intensity of BPH varies according to histopathologic characters. MRI平扫表明Pca主要表现为T2加权像(T2WI)外周腺区出现低-等信号灶，BPH的信号改变则根据其增生组织的病理特征而不同。
- Objective To compare MR-diffusion weighted imaging(MR-DWI) with 99mTc-MDP whole-body bone scan in terms of efficiency and feasibility of MR-DWI in detection of bone metastasis. 目的通过对全身MR弥散加权(全身MR-DWI)和核素骨显像两种技术进行分析对比,评估全身MR-DWI在检测骨转移灶中的作用及其可行性。
- As new technologies of magnetic resonance imaging, diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) have been applied in clinical diagnosis. 磁共振扩散加权与弥散张量成像作为磁共振成像新技术已经应用于临床。
- The T 2 weight imaging(T 2WI) signal intensity of chordoma was significantly higher than those of NPC and PA (P<0.01). 颅底脊索瘤T2 加权 (T2 weightimaging;T2 WI)信号强度明显高于侵犯颅底的鼻咽癌和垂体瘤 (P <0 0 1)。
- Methods Four sequences of conventionality and PROPELLER axial T_2-weighted imaging (T_2WI) and/or diffusion weighted imaging (DWI) were performed in ten normal volunteers with head ceaseless motion and 64 clinical subjects. 方法对10例健康志愿者在头部晃动状态下、64例头颅MR检查中出现躁动不合作或口腔有固定金属异物的患者,应用propeller技术进行T2WI和(或)扩散加权成像(DWI),与常规T2WI和(或)DWI进行对比。
- The following tables are a general guide to how tissue appears on T1- or T2- weighted images. 以下是一个各种组织分别在T1及T2加权像上如何显现的简要介绍。
- Some advantages in the field were described in detail includ-ing the basie principle of MR perfusion- weighted imaging, application of imaging diagnosis in acute brain ischemia and its future and prospect. 本文重点介绍了磁共振脑血流灌注加权成像的基本原理,在急性脑缺血疾病诊断中的应用,以及磁共振脑血流灌注加权成像的应用前景和展望。
- MR diffusion weighted imaging ( DWI) in vivo detects the microscopic diffusion of molecular in the tissue by special MR series . It has the advantage of fast imaging and easy processing. 磁共振弥散加权成像(Diffusion Weighted Imaging，DWI)能够检测活体组织中分子的微观弥散运动，具有成像速度快，后处理简便快捷等优点。
- The Studies were performed with SE T_1 weighted image(T_1WI) ahd RARE T_2 weighted image (T_2WI)sequence. SE序列为T_1加权成像(T_1wI); RARE序列为T2加权成像(T_2wI)。
- The following is a general guide to how tissue appears on T1- or T2- weighted images. 以下是一个各种组织分别在T1及T2加权像上如何显现的简要介绍。
- T 2-and proton density weighted images often showed high-signaling of pontine transversal fibers(19/28) and middle cerebellar peduncles (12/28). 在T2 和质子密度加权像上常可见桥横纤维 (19/ 2 8)和小脑中脚 (12 / 2 8)高信号。
- The tumors are usually hypointensive of hypo-iso-intensive on T1 weighted images and are hyperin-tensive or hyper-iso-intensive on T2 weighted images. T_1加权图象肿瘤呈低信号或低等混合信号,T_2加权图象呈高信号或高等混合信号。
- Magnetic resonance imaging (MRI) showed a picture of high signal intensity in both T1 and T2 weighted images in the posterior extradural space from T2 to T12. 病人是位25岁的年轻女性，主诉有两年多的右下肢无力，虽曾接受过检查，?没有确定的诊断。
- The solid part of trigeminal neurinoma presented "peper salt" appearance in T2 weighted image and an obvious enhancement after enhanced scanning. 肿瘤实性部分在T2加权像呈“椒盐”样改变，增强扫描其实性部分明显强化。
