放射冠

目的研究人脑不同弥散梯度方向弥散加权像（DWI）上豆状核及放射冠的表现特征。

Purpose To study the characteristics on diffusion weighted imaging ( DWI ) with different diffusion gradient directions in lentiform nucleus and in corona radiata .

目的：探讨人脑不同弥散梯度方向弥散加权像上纹状体、顶叶皮层及放射冠的表观弥散系数值变化特征。

OBJECTIVE : To explore the changing characters of the ADC value on diffusion weighted imaging with different diffuse gradient directions of human corpora striatum , parietal cortex and corona radiata .

侧脑室体旁放射冠区脑梗塞的临床和CT对照分析

Clinical and CT control analyses in infarction of the corona radiata adjacent to the body of the lateral ventricle

实验发现，胼胝体、放射冠和上纵束等脑区出现了FA值升高、AD与RD值下降的现象。

The results showed FA increase . AD and RD decrease in corpus callosum , rona radiata and superior longitudinal fasciculus .

头颅MRI示双侧大脑半球半卵圆中心、放射冠、基底节区多个点状长T1、长T2异常信号。

His cranial MRI showed the abnormal long T1 and T2 signals at bilateral centrum ovale , corona radiate and basal ganglia area of the cerebral hemisphere .

方法利用不同弥散梯度方向对50例正常人脑施加平面回波弥散加权成像检查，测量豆状核及放射冠的信号强度及其表观弥散系数（ADC值）。

Methods DW EPI with different diffusion gradient directions was performed in 50 healthy volunteers . The signal intensity and apparent diffusion coefficient ( ADC ) were measured in lentiform nucleus and in corona radiata from multidirection echo planar diffusion weighted images .

结果皮层电位N20未引出的责任病灶，一是丘脑梗死，二是放射冠和顶叶梗死；

Results The responsible foci not elicited by cortical potential N 20 are thalamus infarction , and coronal radiation & parietal lobe infarction .

结节硬化的颅内异常与基因上存在异常的神经元沿异常的放射冠神经交织纤维的移行异常有关。

The intracranial abnormalities of tuberous sclerosis are thought to be associated with disordered migration of dysgenetic neurons along abnormal radial glial fibers .

主要观察指标：60名健康志愿者纹状体、顶叶皮层及放射冠表观弥散系数值。

MAIN OUTCOME MEASURES : The ADC values of corpus striatum , parietal cortex and corona radiata were measured in the 60 healthy volunteers .

作者还比较了在前一种培养基中卵母细胞-放射冠-卵丘细胞复合体和裸卵的体外成熟率，分别为41.8%和7.6%，两者间存在统计学差异（P<0.005）。

The maturation rate of denuded oocytes were 7.6 % which also had significant difference from that of oocyte corona cumulus complexes ( P < 0.005 ) .

相关分析结果显示，放射冠前部的NAA/Cr与左手的最大手指敲击率显著相关，而放射冠后部的Cho/Cr与双手平均的最大手指敲击率显著相关。

There was a significant relationship between maximum finger-tap rate and NAA / Cr in the anterior corona radiata , Cho / Cr in the posterior corona radiate .

三维彩色编码张量图显示患儿组锥体束内囊后肢及放射冠脑白质颜色较为混杂，边缘不清。

It appeared mixed color and thinner in the posterior limb of internal capsule and the corona radiate on the three-dimensional color-coded tensor images of the patient group .

磁共振弥散表观系数均值对新生儿及儿童脑白质病变的诊断价值而放射冠的表观弥散系数值则受其影响，定量研究放射冠的弥散应该描述其弥散梯度方向。

Diagnostic Value of Average Apparent Diffusion Coefficient of Diffusion-Weighted Imaging for Leukoencephalopathy in Neonates and Children We should delineate the diffusion direction if we want to do quantitative studies on the diffusion of corona radiata .