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Radiotherapy dose contrast display method and system

A technology for displaying methods and doses, applied in X-ray/γ-ray/particle irradiation therapy, image data processing, instruments, etc., can solve problems such as difficulties and achieve the effect of accurate radiotherapy plan

Active Publication Date: 2017-09-22
SHENZHEN YINO INTELLIGENCE TECH
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  • Claims
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Problems solved by technology

[0004] Based on this, it is necessary to provide an effective radiotherapy dose comparison display method and system for comparing dose distributions corresponding to different dose data in view of the difficulty of comparing different dose distributions.

Method used

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  • Radiotherapy dose contrast display method and system
  • Radiotherapy dose contrast display method and system

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Embodiment Construction

[0027] see figure 1 , the first embodiment of the present invention provides a radiotherapy dose contrast display method, comprising the following steps:

[0028] S100: Acquire a CT image and at least two types of dose data.

[0029] Before designing the radiotherapy plan, the radiologist draws on the CT image to obtain the structural data of the contour shape and position of the patient's human organs and tumor sites. The CT image of the human body is obtained, and the target area of ​​the human body lesion can be observed through the CT image. The different dose data includes different radiotherapy plan dose data or different types of dose data. The dose data of different radiotherapy plans is the data of different treatment plans formulated by doctors. The dose data of radiotherapy plans include the parameters of the treatment field. Planning data corresponds to different parameters. Different types of dose data represent different types of doses, for example, physical ...

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Abstract

The invention discloses a radiation therapy dose comparison display method and system. By obtaining the reference dose value corresponding to each different dose data of the coordinate point of the cursor on the CT image position, the isodose lines corresponding to each different dose data are respectively identified. The reference isodose line closest to the corresponding reference dose value, calculate the distance between each reference isodose line and the coordinate point of the cursor on the CT image position, and use the reference isodose line with the smallest distance as the contrast isodose line, Hide the isodose line of the cursor on the CT image, the dose value in the isodose line is the same as the dose value of the contrast isodose line, other isodose lines other than the isodose line or / and highlight the dose value in the isodose line and the contrast, etc. A dose line is an isodose line with the same dose values. In this way, the doctor can observe at a glance the isodose line with the same dose value in the isodose line corresponding to the CT image position and the dose value of the contrast isodose line and compare it, so as to obtain the optimal radiotherapy plan more accurately.

Description

technical field [0001] The invention relates to the field of medical radiotherapy, in particular to a radiotherapy dose contrast display method and system. Background technique [0002] In the field of tumor radiotherapy, radiologists need to formulate radiotherapy plans for patients based on radiation exposure, and radiotherapy physicists design radiotherapy plans through the treatment planning system (Treatment Planning System, TPS), which includes the physical dose absorbed by the patient's body The three-dimensional dose distribution in the patient's body and the parameters of the treatment field. The treatment field parameters mainly include the motion parameters of the moving parts of the accelerator when the accelerator that generates therapeutic radiation is used to irradiate the tumor site with radiation therapy, such as the incident angle of radiation and the radiation field. Shape, radiation energy, number of jumps, number of total points of irradiation, etc. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10G06T7/00G06T15/00
Inventor 李强陈子杰贾文廷
Owner SHENZHEN YINO INTELLIGENCE TECH
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