Radiotherapy plan generation system and storage medium

A technology for generating systems and plans, applied in mechanical/radiation/invasive treatments, etc., can solve the problem of low quality of radiotherapy plans, and achieve the effect of optimizing quality and improving optimization speed.
CN110706780AActive Publication Date: 2020-01-17SHANGHAI UNITED IMAGING HEALTHCARE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI UNITED IMAGING HEALTHCARE
Publication Date
2020-01-17

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Abstract

The embodiment of the invention discloses a radiotherapy plan generation system and a storage medium. The system includes a memory, a processor and a computer program which is stored on the memory andcan run on the processor. When the processor executes a program, the following steps are achieved: a radiotherapy plan to be optimized and the optimization target of the radiotherapy plan to be optimized are acquired, the optimization target comprises a dose volume constraint condition corresponding to a target region of interest, and the dose volume constraint condition comprises a voxel numberN of a dose constraint volume; the distance from each voxel of the target region of interest to the affected region of interest affecting the dose distribution of the target region of interest is calculated; the N voxels meeting the distance condition are taken as the dose constraint volume of the target region of interest to update the dose volume constraint condition; and the dose distribution of the radiotherapy plan is determined according to the optimization target containing the updated dose volume constraint condition. The problem that a radiotherapy plan generated by a radiotherapy plan generation system in the prior art is low in quality is solved.
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Description

technical field

[0001] Embodiments of the present invention relate to the field of computer software, and in particular to a radiotherapy plan generation system and a storage medium. Background technique

[0002] The optimization process of radiotherapy plan is mainly the design of dose volume optimization model. Doctors or physicists set expected minimum dose requirements or maximum dose requirements for the Region of Interest (ROI) in radiotherapy planning, including tumor regions and organs at risk, and may only require a part of the volume of the region to reach Minimum dose or maximum dose requirements, for example, for a certain target area, the physicist requires more than 95% of the volume in this area to meet a certain minimum dose requirement, or for a certain organ at risk, requires that less than 30% of the volume in this area is allowed to exceed a certain maximum dose Requirements, that is, more than 70% of the volume reaches the maximum dose requirement. [...

Claims

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