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Adaptive Radiotherapy Workflow Based on MR Simulator for Tumor Segmentation
The patient lies flat on the air mattress in the correct position.
Initiate the MR device to acquire images.
After the scan is completed, the air compressor is activated, causing the air mattress MR platform.
The patient is gently and smoothly transferred from the MR system platform to the transport cart
During the patient transfer from the simulation CT to the linac, the physicist imported the acquired MRI images into the treatment planning system.
The patient is transported from the MR simulation suite to the radiation therapy vault via a transport cart by the therapist.
Using daily imaging to assess displacements of the target and OARs, the radiation oncologist redefined the target volume in approximately five minutes.
During transport, the patient must remain calm and avoid turning or moving to prevent displacement of the tumor.
The physicist conducts a dose re-optimization for the revised target volume and completes the handover by sending the new plan to the treatment linac and notifying the radiation therapist.
The patient is smoothly transported to the radiotherapy room via the cart and then carefully slid horizontally onto the treatment couch.
Treatment is initiated with the adapted plan once the new plan has been uploaded and the patient is correctly positioned on the treatment couch.
The complete fractional adaptive radiotherapy process takes under 25 minutes. Patients daily receive a treatment plan adapted to their real-time anatomical changes.