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The importance of fast software for the secondary MU check for Elekta Unity

MR-guided radiotherapy: Elekta Unity

Physicist Daniela Thorwarth talks to the importance of fast software for the secondary MU check during adaptive treatments with  Elekta Unity.

When a patient is on the table and the RT plan is adjusted based on the daily MRI, ensuring the plan’s accuracy from a dosimetric perspective is crucial. Before the patient enters the room, a thorough QA process is performed to verify the plan. This includes a detailed check to confirm its correctness. Plan recalculation typically takes 2-3 minutes, followed by a quick verification of beam angles, number of fields, and monitor units—ensuring all are within a +/- 10% range. An independent dose recalculation is also implemented as a monitor unit check, safeguarding the plan’s integrity