System, computer program product and method for radiation therapy treatment planning

A technique for treatment planning, radiation therapy, applied in radiation therapy, X-ray/γ-ray/particle radiation therapy, therapy, etc.

Active Publication Date: 2021-12-24
RAYSEARCH LAB
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is a challenge to provide a treatment plan that navigates between clinically relevant treatment plans, that is, that will result in an acceptable dose distribution for delivery to the patient

Method used

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  • System, computer program product and method for radiation therapy treatment planning
  • System, computer program product and method for radiation therapy treatment planning
  • System, computer program product and method for radiation therapy treatment planning

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Embodiment Construction

[0036] figure 1 is a two-dimensional coordinate system showing the dose distribution as a function of position along the x-axis. It should be understood that figure 1 This is merely a simplified example of the manner in which dose distributions are entered and confidence measures assigned, provided for illustration purposes. Typically, the dose distribution will be three-dimensional. The first solid line 11 shows the input dose distribution. The input dose distribution should be the actual dose distribution, that is, the dose distribution that can actually be achieved, in contrast to the ideal dose distribution that is usually used for planning, which involves the ideal dose delivered to each area of ​​the patient, but is far from Any dose that is realistically possible. For example, the input dose distribution may be the final dose of an existing treatment plan, an input dose distribution, an estimated dose distribution from a dose prediction algorithm used for automatic ...

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Abstract

Better Pareto dose distributions for multi-criteria optimization of treatment plans can be obtained by: - obtaining at least one reference dose function designed to result in an acceptable reference dose distribution, - defining a multi-criteria optimization problem including the at least one reference dose function as at least one optimization function, - performing at least two optimization procedures based on the multi-criteria optimization problem to generate a set of at least two possible treatment plans, - obtaining a treatment plan to be used for treating the patient, based on the set of possible treatment plans, by selecting one plan or by combining plans.

Description

technical field [0001] The present invention relates to radiation therapy treatment planning, and in particular to planning involving multi-criteria optimization (MCO). Background technique [0002] In the field of radiotherapy treatment, a key challenge is developing a high-quality plan. Improvements in methods of optimizing treatment planning are constantly sought to ensure the desired effect on a target volume such as a tumor while causing as little damage as possible to healthy tissue and preferably organs at risk (OAR) such as the heart or spinal cord No damage will be caused. [0003] One form of treatment plan optimization is multi-criteria optimization (MCO), which enables clinicians to explore different treatment options through a navigation interface. This form of optimization is based on an optimization problem involving a collection of optimization functions. Each optimization function can be an objective function or a constraint. Many possible treatment plan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1031
Inventor 拉斯穆斯·博克兰茨谢尔·埃里克松弗雷德里克·勒夫曼
Owner RAYSEARCH LAB
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