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enhancement characteristics
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  强化特征
    OBJECTIVE To investigate spiral CT(SCT) enhancement characteristics of gastric carcinoma,and the diagnostic value and preoperative staging of gastric carcinoma with dual-phase incremental spiral CT and drug-induced hypotonia and water-filling.
    目的 探讨胃癌的螺旋CT表现及强化特征,评价低张口服水螺旋CT扫描对胃癌的诊断、术前分期及可切除性判断的价值。
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    Conclusion: The degrees and patterns of enhancement correlated closely with the blood supply and MVDs of lung carcinoma. Spiral dynamic CT scan can demonstrate the enhancement characteristics of lung carcinoma and might be helpful in diagnosis.
    结论:肺癌CT增强的幅度及模式与其血供及微血管密度有关,动态增强可以反映肺癌的强化特征,有助于诊断。
短句来源
    Objective To investigate helical CT enhancement characteristics of gastric carcinoma, and the diagnostic value and preoperative staging of gastric carcinoma with triphasic incremental helical CT of the stomach with water-filling method.
    目的 探讨胃癌的螺旋CT强化特征 ,评价口服水螺旋CT三期扫描对胃癌术前分期的诊断价值。
短句来源
    Objective To investigate helical CT enhancement characteristics of gastric carcinoma and evaluate the diagnostic value of the gross appearance and preoperative staging of gastric carcinoma with triphase incremental helical CT of the stomach with water filling method.
    目的 探讨胃癌的螺旋CT强化特征 ,评价口服水螺旋CT三期增强扫描对胃癌分期及大体分型的诊断价值。
短句来源
    Conclusion:The enhancement characteristics of advanced gastric carcinoma are varied and are correlated with their histo-pathology subtypes and degree of differentiation.
    结论:进展期胃癌有不同的强化特征,与病理学类型及分化程度有一定的关系。
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  “enhancement characteristics”译为未确定词的双语例句
    We then calculated and compared the images' SNRs and CNRs in each phase, and analyzed enhancement characteristics of liver parenchyma and focal lesion in different phases. The detection rate of MRSP was compared with US, enhanced CT and unenhanced MRI.
    2.肝脏实性病变的MRSP检查16例,测量各期肝脏实质和实性病变的信号强度及背景噪声标准差,比较各期图像的SI、SNR、CNR,分析肝脏与病灶各期的强化特点,比较MRSP、B超、CT和平扫MRI的病灶检出率。
短句来源
    (2) To investigate the correlation between the dynamic MRI enhancement characteristics and tumor angiogenesis in gastric carcinoma.
    (2)探讨胃癌动态增强MRI强化表现与肿瘤血管生成的关系。
短句来源
    Objective: To evaluate enhancement characteristics of MR images and pathologic basis for making diagnosis and differential diagnosis of bronchogenic carcinoma.
    目的:研究肺癌增强MRI表现的病理基础,探讨其在肺部诊断中的作用。
短句来源
    Purpose: To evaluate enhancement characteristics of MRI and the pathologic basis for diagnosis and differential diagnosis of peripheral bronchogenic carcinoma.
    目的:研究肺癌增强MRI的表现和病理基础,探讨增强MRI在肺癌诊断中的作用。
短句来源
    Objective To investigate the correlation between the dynamic MRI enhancement characteristics and tumor angiogenesis in gastric carcinoma.
    目的 探讨胃癌动态增强MRI强化表现与肿瘤血管形成的关系。
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  enhancement characteristics
Models which can describe the transient enhancement characteristics in dopant diffusion during both furnace and rapid-thermal annealing of these implants are discussed.
      
Predicting response using MRI enhancement characteristics when response is determined using change in enhancement pattern: a pot
      
Enhancement characteristics of hepatic focal nodular hyperplasia and its scar by dynamic magnetic resonance imaging
      
They were characterized with respect to their stability, entrapped volume and enhancement characteristics.
      
The CT and MRI findings were assessed independently for size, location, enhancement characteristics, and pattern of metastatic disease.
      
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Objective: To evaluate enhancement characteristics of MR images and pathologic basis for making diagnosis and differential diagnosis of bronchogenic carcinoma.Materials and Methods: Pre and post enhanced magnetic rasonance imaging (MRI) of bronchogenic carcinoma (n=47), tuberculoma (n=10) and other benign lesions (n=5) were analyzed and compared with pathologic findings. Results: All bronchogenic carcinoma yield enhanced images after intravenous Gd DTPA appearing in one of 3 patterns, namely: homogeneous...

Objective: To evaluate enhancement characteristics of MR images and pathologic basis for making diagnosis and differential diagnosis of bronchogenic carcinoma.Materials and Methods: Pre and post enhanced magnetic rasonance imaging (MRI) of bronchogenic carcinoma (n=47), tuberculoma (n=10) and other benign lesions (n=5) were analyzed and compared with pathologic findings. Results: All bronchogenic carcinoma yield enhanced images after intravenous Gd DTPA appearing in one of 3 patterns, namely: homogeneous type, unevenly mottled type and thick wall cavity type; tuberculoma, however, generally manifest thin rim ring like enhancement and various enhancement patterns stem from different pathologic basis.Conclusion: The enhanced patterns of bronchogenic carcinoma differ from that of tuberculoma, thus beneficial to differential diagnosis.

目的:研究肺癌增强MRI表现的病理基础,探讨其在肺部诊断中的作用。材料与方法:47例原发性支气管肺癌,10例结核球及5例其他良性病灶行平扫和增强MRI检查,分析其增强表现并与病理对照。结果:所有肺癌在静脉注入Gd-DTPA后均有强化,表现为3种形式:均匀型、不均匀型和厚壁空洞型,结核球多数表现为薄壁环形增强,各种增强形式有不同的病理基础。结论:肺癌的增强形式与结核球不同,因而Gd-DTPA增强MRI有助于肺癌的鉴别

Purpose: To evaluate enhancement characteristics of MRI and the pathologic basis for diagnosis and differential diagnosis of peripheral bronchogenic carcinoma. Materials and methods: Conventional and dynamic Gd DTPA enhanced MRI of peripheral bronchogenic carcinoma (19 cases) and tuberculoma (10 cases) were analyzed and compared with the pathologic findings. The relative signal intensity of lesions was calculated and plotted as time intensity curves. Results: All bronchogenic carcinoma yielded enhanced...

Purpose: To evaluate enhancement characteristics of MRI and the pathologic basis for diagnosis and differential diagnosis of peripheral bronchogenic carcinoma. Materials and methods: Conventional and dynamic Gd DTPA enhanced MRI of peripheral bronchogenic carcinoma (19 cases) and tuberculoma (10 cases) were analyzed and compared with the pathologic findings. The relative signal intensity of lesions was calculated and plotted as time intensity curves. Results: All bronchogenic carcinoma yielded enhanced images after intravenous Gd DTPA presenting 3 patterns: homogeneous type, uneuenly mottled type and thick wall cavity type. Tuberculoma, however, generally manifested as slim ring like enhancement and various enhancement patterns based on different pathologic basis. The average degree of enhancement of bronchogenic carcinoma was 71% significantly different from that of tuberculoma (41%, P <0.01). The time intensity curve of tumor was also different as compared with that of most tuberculomas. Conclusion: The enhanced patterns of bronchogenic carcinoma while different from those of tuberculoma were helpful in differential diognosis.

目的:研究肺癌增强MRI的表现和病理基础,探讨增强MRI在肺癌诊断中的作用。材料与方法:对19例原发周围型支气管肺癌,10例结核球行常规和动态增强MRI检查,分析其表现并与病理对照。测量病灶实体的增强程度,绘出动态时间-信号强度曲线。结果:所有肺癌在静脉注入Gd-DT-PA后均有强化,表现为三种形式:均匀型、不均匀型和厚壁空洞型;结核球多数表现为薄壁环形增强;各种增强形式有不同的病理基础。肺癌组平均增强71%,明显高于结核球组(41%,P<0.01);肺癌的动态增强时间-信号强度曲线也与结核球不同,结论:肺癌的增强形式和增强程度与结核球不同,因而Gd-DTPA增强MRI有助于肺癌的鉴别

Purpose: To explore the correlation of CT enhancement and microvessel densities(MVDs) in peripheral lung cancer ,in order to improve the capacities for differential diagnosis of the pulmonary nodules. Materials and Methods: Spiral dynamic enhancement scanning(pre - contrast and 0. 5, 1, 2, 3, 4minutes post - contrast) in 40 patients with peripheral lung cancer(18 squamous cell carcinoma and 22 adenocarcinoma) was performed, and the CT attenuations were measured. The resected tumor specimens were immunohistochemically...

Purpose: To explore the correlation of CT enhancement and microvessel densities(MVDs) in peripheral lung cancer ,in order to improve the capacities for differential diagnosis of the pulmonary nodules. Materials and Methods: Spiral dynamic enhancement scanning(pre - contrast and 0. 5, 1, 2, 3, 4minutes post - contrast) in 40 patients with peripheral lung cancer(18 squamous cell carcinoma and 22 adenocarcinoma) was performed, and the CT attenuations were measured. The resected tumor specimens were immunohistochemically stained with factor for measuring MVDs. Then the MVDs were compared with the enhancement patterns and peak values. Results: The mean enhancement value in 40 patients was 50. 65 ± 19. 59Hu, and the peak value appeared at 1 minute after administration of contrast agent. The mean enhancement value of adenocarcinomas was not significantly different from that of squamous cell carcinomas(53. 45 ± 23. 22Hu, 47. 22 ± 14. 63Hu respectively , P > 0. 05). The MVD of adenocarcinoma was lower than that of squamous cell carcinoma(61. 44 ± 9. 91 ± 45. 11 ± 11. 25 respetively, P < 0. 05). It was evident that the enhancement correlated well positively with MVD of the lung  cancer(r = 0. 8874, P < 0. 001). Conclusion: The degrees and patterns of enhancement correlated closely with the blood supply and MVDs of lung carcinoma. Spiral dynamic CT scan can demonstrate the enhancement characteristics of lung carcinoma and might be helpful in diagnosis.

目的:探讨周围型肺癌CT强化与微血管密度(MVD)的关系,以提高对肺结节的鉴别诊断能力。材料和方法:对40例周围型肺癌(鳞癌 18例,腺癌 22例)应用非离子型造影剂进行动态 CT扫描(剂量 1.5ml/ kg体重,流速3ml/s,分别在注射后0.5,1,2,3,4min扫描)并测量CT值,肺癌标本进行微血管密度测定,并比较肺癌增强模式和最大增强幅度与微血管密度的关系。结果:40例肺癌平均强化值为 50.65± 19.59Hu,峰值在注射造影剂后1min。腺癌与鳞癌的增强幅度无显著性差异(分别为53.45±23.22Hu及47.22±14.63Hu,P>0.05),而腺癌的MVD明显低于鳞癌(分别为45.11±11.25和61.44±9.91,P<0.05)。肺癌CT强化值与微血管密度呈正相关(r=0.8874,P<0.001)。结论:肺癌CT增强的幅度及模式与其血供及微血管密度有关,动态增强可以反映肺癌的强化特征,有助于诊断。

 
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