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信号
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  isointense
    On MR,one tumor showed isointense on T1WI and mixed density on T2WI,while the other showed low density on T1WI and high on T2WI.
    1例T1WI呈低信号,T2WI呈高信号
短句来源
    Tumors displayed inhomogenous hypo/isointense T1 signal soft tissue tumors,in T2WI 9 showed isointense or slightly long T2 signal,7 showed extremely long T2 signal.
    病变在T1WI呈不均匀长:等T1信号软组织肿块影,T2WI9例呈等或稍长T2信号,7例呈明显长T2信号
短句来源
    Results: Dumbbell or bottom outwardly of bottle gourd form lump, displayed or isointense signal on T1WI and high-signal intensity on T2WI, the lesions were evenly enhanced.
    结果:MRI平扫病灶形态呈哑铃状或足底向外的葫芦状,T1WI呈等、低信号,T2WI呈均匀明显高信号,增强后明显强化。
短句来源
    Brain MRI demonstrated slight-hypointense lesion of 9 cases and isointense lesion of 5 cases on T1-weighted imaging.
    MRI显示T1加权像略低信号9例、等信号5例;
短句来源
    On the T2-weighted imaging, the lesions were slight-hyperintense in 11 cases and isointense in 3 cases.
    T2加权像略高信号11例,等信号3例。
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  “信号”译为未确定词的双语例句
    The Relation between Mechanisms of PTEN Gene Inactivation and the Activation of Extracellular Signal-regulated Kinase and Drug Resistance in Ovarian Cancer
    卵巢癌PTEN基因失活和细胞外信号调节激酶的活化机制以及与卵巢癌耐药的关系
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    The Activation of Phosphatidylinositol 3-kinase and Extracellular Signal-regulated Kinase in Human Breast Cancer and the Analysis of Correlation
    磷脂酰肌醇3-激酶与胞外信号调节激酶在人乳腺癌中的活化及其相关性分析
短句来源
    The Role of CD40 Molecule in Human Lung Cancer and Its Application in Immunotherapy
    CD40信号在人肺癌中的作用及其在免疫治疗中的运用研究
短句来源
    The Study of Extracellular Signal-Regulated Kinase and PTEN Protein Expression in Oral Squamous Cell Carcinoma
    口腔鳞状细胞癌细胞外信号调节激酶及PTEN蛋白表达的研究
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    Function and Mechanisms of Phospholipase Cγ1 in Cell Migration and Cell-matrix Adhesion in Colorectal Cancer Cells
    磷脂酶Cγ1在大肠癌细胞迁移和细胞—基质粘附中的作用及信号转导机制
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  isointense
We calculated , FA and C of T2-hyperintense lesions, T1-isointense lesions, T1-hypointense lesions and several areas of the NAWM.
      
Average T1-hypointense lesion was higher and average FA lower than the corresponding quantities of T1-isointense lesions, whereas average C of these two lesion populations were not different.
      
T1 hypointense and isointense lesions exhibited similar SI changes (joint test P?=?0.12).
      
The lesions generally show hypo, or isodensity on CT; a hypo-or isointense signal on T1-weighted images, and a hyperintense signal on T2-weighted images.
      
The intensity of those RNs was isointense to the surrounding hepatic parenchyma on enhanced MRI with administration of Gd-DTPA or SPIO.
      
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Poly (A)~+ RNA from mouse 615 hepatoma(H615, H22) and normal mouse 615 liver(N615) was isolated by guanidinium chlorideand the Oligo (dT) cellulose affinity chro-matography method. RNA was denaturedby the formaldehyde-formamide methodand performed with the agarose electro-phoresis. After the Northern blot transferthe nitrocellulose filters were hybridizedwith ~(32)P-labeled H-ras, N-ras, Ki-ras andC-myc probes. The results showed thatthere was an expression of H-ras in H615,but a very weak expression in N615....

Poly (A)~+ RNA from mouse 615 hepatoma(H615, H22) and normal mouse 615 liver(N615) was isolated by guanidinium chlorideand the Oligo (dT) cellulose affinity chro-matography method. RNA was denaturedby the formaldehyde-formamide methodand performed with the agarose electro-phoresis. After the Northern blot transferthe nitrocellulose filters were hybridizedwith ~(32)P-labeled H-ras, N-ras, Ki-ras andC-myc probes. The results showed thatthere was an expression of H-ras in H615,but a very weak expression in N615.

作者用盐酸胍法从615系小鼠原发性可移植性肝癌(H651、H22)实体瘤组织及正常615系小鼠肝组织(N615)中制备总RNA,经Oligo(dT)纤维素亲和层析法纯化得到 poly(A)~+RNA,再经兔网织红血球溶胞物体系测活及电泳鉴定后,作Northern 印迹和经α-~(32)P-标记的H-ras、Ki-ras及C-myc癌基因分子探针杂交,发现:仅H615中有H-ras基因的明显表达信号,N615中仅有弱表达。

11 cases of Brain stem tumour were reported. Disturbance of ocular mo- vement, dysphagy, Weakness of extremity & unstable gait are common. MRI was performed in 8 cases of them. Abnormal findings were seen in all. The MKI features of most Brain stem tumours are long T_1 & long T_2. The middle sagittal section shows the fullest batail. MRI is considereda better diagriostic procedure than CT scan.

报告脑干肿瘤11例,临床症状以眼动障碍、吞咽困难、肢体无力和步态不稳为常见。在CT与MRI扫描前的初诊均有误。8例行MRI检查(其中包括CT正常者2例)均异常。大多数脑干肿瘤的MRI特征是长T_1(弱信号)、长T_2(强信号),显示脑干病变的最佳断面为矢状正中面。

Ten choroidal melanomas studied were with computed tomography(CT,nine cases)and magnetic resonance imaging (MRI,one case).Both techniques detected all the intraocular tumors with localization and determination of the extent of the lesions.Three of them were found to have extraocular extention.Because both T_1 and T_2 were relatively shortened in melanoma,on T weighted MR image,the tumor was seen as an area of moderately high signal and on T.weighted image, melanoma appeared as an area of low signal.MRI can provide...

Ten choroidal melanomas studied were with computed tomography(CT,nine cases)and magnetic resonance imaging (MRI,one case).Both techniques detected all the intraocular tumors with localization and determination of the extent of the lesions.Three of them were found to have extraocular extention.Because both T_1 and T_2 were relatively shortened in melanoma,on T weighted MR image,the tumor was seen as an area of moderately high signal and on T.weighted image, melanoma appeared as an area of low signal.MRI can provide a histological diagnosis of this tumor.

本文报告脉络膜黑色素瘤 CT 扫描9例,磁共振成象(MRI)1例。两种技术均发现了眼内肿瘤,准确定位和确定病变范围,其中3例发现眼外蔓延。黑色素瘤据有短 T_1和 T_2弛豫时间,T_1加权象(T_1WI)为中等强信号。而 T_2加权象(T_2WI)为低信号,因而 MRI 对脉络膜黑色素瘤有组织学诊断意义。

 
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