Radiotherapy dose comparing and displaying method and system

A display method and display system technology, applied in X-ray/γ-ray/particle irradiation therapy, image data processing, instruments, etc., can solve difficult problems and achieve the effect of accurate radiotherapy plan

Active Publication Date: 2015-07-08
SHENZHEN YINO INTELLIGENCE TECH
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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 comparing and displaying method and system
  • Radiotherapy dose comparing and displaying 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 radiotherapy dose comparing and displaying method and system. According to the method, by obtaining reference dose values corresponding to different dose data of all kinds of coordinates, at the CT image position, of a cursor, reference isodose lines most approximate to the corresponding reference dose values among isodose lines corresponding to the different dose data of all the kinds are recognized respectively, the distance between the reference isodose line of each kind and the coordinates, at the CT image position, of the cursor is calculated, the reference isodose line with the shortest distance is used as a comparison isodose line, and other isodose lines except the isodose lines with the dose values the same as the dose value of the comparison isodose line among the isodose lines, on a CT image, of the cursor are hidden or/and the isodose lines with the dose values the same as the dose value of the comparison isodose line among the isodose lines are highlighted. Accordingly, a doctor can observe the isodose lines with the dose values the same as the dose value of the comparison isodose line among the corresponding isodose lines at the CT image position at a glance and compare the isodose lines, and the optimal radiotherapy scheme can be obtained 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 Applications(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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