t1wi

T1WI images showed low signal in3 cases and equal signal in14 cases .

其中T1WI图像低信号的患者3例，T1WI图像等信号的患者14例。

Cases were iso-intensity and 2 cases were high signal intensity in T1WI .

T1WI等信号2例，高信号2例；

On MR T1WI , equal signal were 12 cases , others were equal and low signal ;

MRI检查T1WI显示病灶呈等信号12例，等低混杂信号2例；

Comparison among three off-line methods of fiber tracking of white matter in the background of high resolution T1WI

三种离线方式实现高分辨率T1WI背景下显示三维白质纤维束的比较

Malignant tumors were usually inhomogeneous and low to intermediate signal intensity on T1WI .

恶性肿瘤信号分布不均匀，T1WI表现为低中信号。

Result : High-low mixed signs on T1WI was 58 % .

结果：T1加权像高低混杂信号占58%；

Cases showed inflammatory mass , which showed little low signal in T1WI and little high signal in T2WI ;

5例炎性肿块，表现为T1WI呈稍低信号、T2WI呈稍高信号；

Cases had slightly uneven intensity showing iso-or slightly low intensity on T1WI .

4例信号稍不均匀，T1WI呈等、稍低信号，T2呈高信号。

It showed slightly high signal on T2-FLAIR and marked high signal on contrast-enhanced T1WI .

在T2-FLAIR序列为略高信号，T1WI增强扫描为明显高信号。

Plain T1WI showed he skin was thickened , but the signal did not changed obviously .

平扫T1WI见皮肤增厚，信号改变不明显。

Results In acute cerebral hemorrhage , there were low signal or signal on T1WI and T2WI showed high signal ;

结果在急性期脑出血，T1WI可出现低信号或等信号，T2WI呈高信号；

Methods MRI signal change of T1WI and T2WI of15 patients with CO poisoning were analysed .

方法分析了15例CO中毒患者出现双侧苍白球T1WI、T2WI的信号改变。

Choroidal melanomas in eye showed high signal in T1WI and low signal in T2WI .

眼部脉络膜黑色素瘤在T1WI为高信号，T2WI为低信号；

Intracranial Leptomeningeal Metastasis : Comparison between FLAIR and Contrast Enhanced T1WI on Low Field MRI

颅内柔脑膜转移瘤：低场MRIFLAIR序列与T1WI增强扫描对比分析

Simple cyst was homogeneously low signal on T1WI and high signal on T2WI , not enhanced .

单纯性囊肿表现为均匀长T1长T2信号，增强扫描不强化。

Results : The injured muscls showed high signal of T1WI and were kept more than 40 days .

结果：MRI表现，肌肉损伤后在T1WI表现高信号影，可维持40d以上；

Dermoid cyst showed heterogeneous intensity on T1WI ;

7例皮样囊肿T1WI呈混杂信号；

Conclusion : There were significant different signal changes on conventional T1WI and T2WI on the groups of necrosis and apoptosis .

结论：肝组织细胞坏死和凋亡在T1WI和T2WI上有明显的信号差异表现。

Results 6 cases were pure cystoma , which manifested low signal in T1WI and high signal in T2WI ;

结果：6例卵巢单纯囊肿，T1WI呈低信号，T2WI呈高信号；

The measurement of the signal intensity of T1WI can manifest the changes in both globus-pallidus .

测量T1WI信号强度可以准确地反映苍白球信号的变化。

Conclusion GRE OP T1WI is superior to SE T1WI in detecting LDH .

结论GREOPT1WI比SET1WI更清晰快速地显示椎间盘突出症。

T1WI images were used as location maps , and chose pre-irradiation levels to be exposed by HIFU .

并以T1WI图像作为定位图，选择肿瘤所在层面进行HIFU治疗。

Conclusion : Contrast enhanced T1WI is better than FLAIR sequence in diagnosing intracranial leptomeningeal metastasis on low field MRI .

结论：对于颅内柔脑膜转移瘤的低场MR诊断，T1WI增强扫描优于FLAIR序列。

MRI scan suggested uniform T1WI signal , and slight increase in T2WI signal , and enhanced scan suggested even enhancement .

MRI平扫，T1WI呈等信号，T2WI呈稍高信号，增强扫描大部分呈均匀强化。

No layered normal gastric wall , with moderate and slightly high signal intensity , was shown in T1WI and GRE sequence .

正常胃壁于T1WI、GRE序列均不分层，分别呈中等信号和稍高信号；

Methods Fifty patients with LDH were scanned with GRE OP T1WI and SE T1WI .

方法50例腰椎间盘突出症患者进行GREOPT1WI和SET1WI扫描。

It is the important characteristic of bilirubin encephalopathy in neonates of T1WI high signal intensity in both globus-pallidus .

苍白球T1WI对称性信号增高是新生儿急性胆红素脑病的重要特征。

To evaluate the MRI diagnostic value of T1WI 、 T2WI and Gd-DTPA enhanced imaging in adrenal masses .

目的：为探讨磁共振成像（MRI）T1WI、T2WI及Gd－DTPA增强扫描对肾上腺肿块的诊断价值。

The DNS was ariseed , main signal intensities were low in T1WI , high in T2WI ;

出现迟发性脑病主要表现为T1WI为低信号，T2WI为高信号改变；

STIR , T1WI were more sensitive lesion detection series in bone contusion ( 100 % and 95.7 % ) .

2）检出骨挫伤敏感的MRI序列为STIR及T1W（I100%及95.7%）；