SWI

The application of SWI sequence in patients with primary Parkinson disease

SWI序列在早期原发性帕金森病中的应用价值

During exercise , SWI always bigger than control group ( P 0.05 / 0.01 ) .

运动过程中实验组SWI始终大于对照组（P0.05/0.01）。

Primary Application of Susceptibility Weighted Imaging ( SWI ) in Neonatal Intracranial Hemorrhage

磁敏感加权成像（SWI）在新生儿颅内出血的初步应用

A Pilot Experimental Study and Clinical Application of Susceptibility Weighted Imaging ( SWI ) in Cerebral Ischemia

磁敏感加权成像（SWI）在脑缺血中的初步实验研究及临床应用

In 22 cases of infarction with hemorrhage , SWI clearly showed low signal of the focus .

脑梗塞：22例出血性脑梗塞中，SWI清楚显示病灶呈片状低信号。

From this , using the EPI sequence to improve SWI imaging is feasible in theory .

由此可知，使用EPI序列改进SWI成像在理论上是完全可行的。

In 3 cases of venous malformation , SWI showed abnormal veins were low signal .

3例为静脉畸形，SWI显示畸形静脉呈低信号，走行僵直。

The letters SWI stand for a postal district of London .

字母SWI表示伦敦的一个邮政区。

At resting state , SWI , CWI of experiment group were bigger than control group .

安静状态，实验组SWI、CWI显著大于对照组。

Reflect and diagnosis in the image of 60 cases with cerebral cavernous hemangioma by SWI

60例脑海绵状血管瘤的磁敏感加权成像表现与分析

Method : Analyze the ability of SWI images to show diseases , and compare them with conventional MR sequences .

方法：分析SWI图像特点，比较常规序列和SWI对病变的显示情况。

Conclusion Laminar flow system in the operating room can obviously reduce the SWI rate in type ⅰ and ⅱ operations .

结论手术室采用层流空气净化系统可以明显降低Ⅰ、Ⅱ类手术切口感染率。

Methods General surgical operations in the year of 2003 were recorded , SWI state in patients were investigated retrospectively .

方法对2003年全年普通外科手术进行登记，并回顾性调查一年中其手术切口感染状况。

In 18 cases of infarction without hemorrhage , SWI showed the lesions were slightly high or media . 3 .

18例非出血性脑梗塞，SWI显示为稍高信号或等信号。

Higher iron content of brain regions showed on the SWI image was more clearly than on the conventional MRI images .

铁含量较高的脑区轮廓SWI比T1WI和T2WI图像显示更为清楚。

SWI has some advantages in displaying the artery clots .

SWI对血栓（动脉或静脉）的显示具有一定优势。

SWI is a 3D , high resolution , T2-weighted , and gradient-echo imaging technique .

SWI是一种三维、高分辨率、T2加权的梯度回波成像方式。

The conventional MRI images and the corrected phase image of SWI of the control group and the case group were observe and analyzed .

观察分析对照组及病例组常规MRI图像及SWI校正相位图表现。

The SWI / SNF Complex - Chromatin Remodeling and Cancer

SWI/SNF复合物-染色体重构和肿瘤

SWI , CWI of two groups increased by degrees , experiment group always greater than control group ( P0.05 / 0.01 ) .

两组CWI随负荷增加而增加，实验组始终大于对照组（P0.05/0.01）。

SWI provides an excellent imaging method of the brain and vascular lesions relating to iron deposition and has good prospects in clinical diagnosis .

为脑部与静脉血管及铁质沉积相关的病灶提供了一种极佳的成像手段，在临床诊断方面具有良好前景。

However , SWI imaging is slow and can only be used in brain imaging , which greatly limits the development of SWI .

但SWI成像速度慢，因此只能用于脑部成像，这极大的限制了SWI的发展。

The SWI data have relatively low signal-to-noise ratio ( SNR ) due to the T2 decay at a long TE .

回波时间长时，会引起T2衰减，导致图像的信噪比相对较低。

( Results ) Among 17 707 operations performed in general rooms , 232 cases developed SWI , the SWI rate was 1.31 % ;

结果在普通手术室施行的17707例手术中发生切口感染232例，切口感染率为1.31%；

Susceptibility-weighted imaging ( SWI ) has recently demonstrated great clinical significance in the diagnosis of several intracranial venous lesions and diseases .

近年来研究表明，磁敏感加权成像（Susceptibilityweightedimaging，SWI）对颅内静脉损伤和疾病的诊断具有非常重要的临床价值。

The main job for me is helping the orphanage in the SWI and the children who became children because of the earthquake .

我自己的工作重点就是福利院的孤儿和地震孤儿。

The low intensity of air and bone also make mIP impractical for sagittal and coronal projections of whole-brain SWI data .

低密度的空气和骨组织也使得常规全脑SWl数据的矢状面和冠状面投影难以进行。

In determining the EPI sequence can be used to improve SWI imaging , we need to classify and select the existing EPI sequence .

在确定EPI序列可用于改进SWI成像之后，需要对现有的EPI序列进行分类和筛选。

SWI utilizes the relative phase and magnitude change in the venous vasculature introduced by the susceptibility difference between venous blood and parenchyma .

它利用静脉和组织之间磁敏感性差异引发的相对相位变化和幅值改变来增强小静脉的可见性。

A relatively long echo time ( TE ) is typically used in SWI to achieve nearly optimal venous contrast , resulting in long data acqusition time .

为了获得接近最优的静脉对比，SWI常选择较长的回波时间，因而数据采集时间较长。