lentiform

purpose to study the characteristics on diffusion weighted imaging ( dwi) with different diffusion gradient directions in lentiform nucleus and in corona radiata.

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。

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lateral ventricle and plexus were guided to recognize the caudate nucleus, lentiform nucleus, thalamus and the internal capsule.

在中间4个层面中，以侧脑室各部及其脉络丛的变化来引导认识3个灰质块（尾状核、豆状核、丘脑）及其之间的内囊。

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conclusion adc and signal intensity in lentiform nucleus were not affected by diffusion gradient directions.

结论豆状核信号强度及其ADC值不受弥散梯度方向影响；

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results ct plain scan showed bilateral symmetrical hypodense of lentiform nucleus and the head of caudate nucleus in 8 cases, and in 1 case only the lentiform nucleus were involved.

结果CT表现：两侧豆状核，尾状核头部同时出现对称性低密度病灶8例；尾状核头部低密度病灶呈椭圆形，仅豆状核出现对称性低密度病灶1例。

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Conclusion The most common CT findings in hepatolenticular degeneration patients are mainly brain atrophy and low density of the basal ganglia, especially the symmetrical low density of the lentiform nuclei is characteristic of Wilson disease on CT.

结论肝豆状核变性颅脑CT最多见征象是脑萎缩与基底节低密度灶，特别是双侧豆状核区对称性低密度灶最具有特征性。

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obscuration of the lentiform nucleus;

豆状核轮廓模糊；

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Conclusion The bilateral and symmetric calcifications of the basal ganglia, caudate nucleus, lentiform nucleus and thalami are CT feature of Fahr's disease while the normal levels of serumal calcium, phosphorus and parathormone are the critical indices for differentiating Fahr's disease from other diseases.

结论双侧大脑基底节区、尾状核、豆状核及丘脑对称性钙化是Fahr's病的CT特征，而血清中钙、磷及甲状旁腺素水平正常是Fahr's病与其他疾病鉴别的关键指标。

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reconstruction and fusion with mri of caudate nucleus, lentiform nucleus and thalamus

尾状核、豆状核和丘脑的三维可视化及与磁共振图像的融合

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during the process of characters writing, 10 health subjects showed a significant activation on the bilateral lentiform nucleus and caudate nucleus comparing with that of pseudo-writing.

10例受试者在文字书写状态下，双侧豆状核、双侧尾状核较假写状态下有明显激活。

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on the section of the lentiform nucleus appearing for the first time, the anterior ramus of lateral sulcus disappeared. meanwhile, the opercular part appeared and its appearing rate was 80% on the left side and 83% on the right one.

在豆状核首次出现的断面上，外侧沟前支消失，额下回岛盖部的出现率左侧80%、右侧83%。

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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.

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）。

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