The advantage of IMRT is to protect organs at risk and to create enough dose in the target volume.

1、

The entire process of radiotherapy consists of: the identification of planning target volume, the design and implementation of the treatment plan.

放射治疗全过程主要包括患者靶区的确定、治疗计划的设计和治疗计划的执行。

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2、

Lower esophageal target volume in the Y axis, X axis, Z axis movement and lesion size.

下段食管癌靶区在Y轴、X轴、Z轴方向的移动与病变大小有关。

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3、

Measuring planning target volume margin in kV cone beam CT guided three-dimensional conformal radiotherapy of brain metastases carcinoma

千伏锥形束CT测量脑转移瘤放疗计划靶区外放研究

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4、

A Proposal of Dose-prescription for Clinical Target Volume of NSCLC

非小细胞肺癌亚临床病变剂量处方的建议

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5、

CONCLUSIONS: The 3D plans have pitfalls of geometric miss or over coverage of target volume.

结论：3D计划存在遗漏靶区或过度扩大靶区的缺陷。

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6、

Influence of CT/ MRI fusion image on target volume and 3-D conformal radiotherapy in nasopharyngeal carcinoma

CT/MRI影像融合对鼻咽癌肿瘤靶区及三维适形治疗影响

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7、

Factors Influencing Clinical Target Volume Delineation of Intact Breast in Intensity-modulated Radiotherapy for Breast Cancer

影响乳腺癌调强适形放射治疗全乳临床靶区确定的因素

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8、

Considered of pathology, only isocenter number and target volume significantly affected the tumor control interval.

如果考虑到肿瘤恶性程度，只有等中心数和肿瘤体积对肿瘤控制时间有显著影响。

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9、

The 20 Gy isodose line covered the target volume.

20Gy的等剂量线包绕靶区。

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10、

Application of PET-CT in delineation of radiotherapy planning target volume for glioma

PET-CT在脑胶质瘤放射治疗靶区确定中的应用

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11、

Three-dimensional margin expansion RFOM gross tumour volume to planning target volume

从肿瘤体积到计划靶体积的三维边缘扩展

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12、

Prospective Trial of Target Volume Delineation for Radiotherapy in Nasopharyngeal Carcinoma

鼻咽癌照射靶体积划定的临床探讨

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13、

Results 1. The dose distribution of the improved plan could meet the requirements for the target volume.

结果（1）改进方案可满足鼻咽和颈部计划靶体积的剂量要求。

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14、

A Study of Planning Target Volume Determination in Three-Dimensional Conformal Radiotherapy for Nasopharyngeal Carcinoma

鼻咽癌三维适形放疗计划靶体积确定的研究

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15、

Advances in research on biological target volume and conformal intensity-modulated radiotherapy

生物靶区与生物适形放疗研究进展

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16、

Local control rate of nasopharyngeal cancer was positively correlated with the target volume dose.

鼻咽癌的局部控制率与靶体积的照射剂量呈正相关。

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17、

Effects of Spiral CT Reconstruction Interval on Gross Target Volume of Tumor

螺旋CT重建间隔对肿瘤靶区体积的影响

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18、

Relationship Comparative Study Between Prescription Volume and Target Volume in Gamma Knife Dose Planning

伽玛刀剂量计划系统照射容积和靶区容积的相关性比较

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19、

The Application Research of Optical Flow Method in Target Volume Motion Image Registration

光流法在靶区运动图像配准中的应用研究

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20、

Regression equation shows that one-knob linear regression coefficient for welding current target signal and welding voltage target signal in CO_2 welding process will increase with an increase in ( welding) wire diameter, but constants of regression equation will decrease.

回归方程表明，CO2焊接随焊丝直径增加，其焊接电流目标信号与焊接电压目标信号的一元线性回归系数增加，回归方程的常数项减小。

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