A nuclear magnetic image guided radiotherapy equipment and storage medium
A nuclear magnetic image and nuclear magnetic technology, applied in the field of medical imaging, can solve problems such as wrong direction of movement, inability to use image guidance, and radiation from CT
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Embodiment 1
[0050] A method for nuclear magnetic image-guided radiotherapy, comprising the steps of:
[0051] (1) Acquisition of the first MRI image 210: the first MRI image of the patient is collected from multiple angle slice directions; preferably, when acquiring the first MRI image, at least two MRI images at different times are collected from a single angle slice, so as to capture the movement Maximum deviation of motion from multiple angles of the organ;
[0052] (2) Determine the placement and movement direction 220:
[0053] 2a. Perform three-dimensional reconstruction using the data collected by the first nuclear magnetic image, and reconstruct the two-dimensional patient nuclear magnetic image into a first 3D model 221;
[0054] 2b. Registration: register the first 3D model with the plan image, and calculate the registration position deviation and the maximum motion deviation 222; preferably, the registration is rigid registration or non-rigid registration; wherein, the plan im...
Embodiment approach 1
[0064] Implementation Mode 1: The radiotherapy plan is set in multiple irradiation stages according to the movement cycle of the moving organs, and the irradiation is carried out when the moving organs fall into the corresponding irradiation stage;
Embodiment approach 2
[0065] Embodiment 2: The head for beam irradiation is moved following the movement of the moving organ, preferably, the head is set on a mechanical arm controlled by a robot;
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