ESTRO 2023 - Abstract Book

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Digital Posters

ESTRO 2023

Figure 1: The treatment room plane with the mesurement points.

Figure 2: . Left: Environmental dose rates measurements in points 1,2 and 3 which are respectively at 0.5 m, 1 m and 1,5 m from the patient. Right: Estimation of the maximum patients per week with the same worker without exceeding the dose limit recommendations. Conclusion The use of the screen or the apron, both at 1m distance, is enough to satisfy the recommended dose limits for an employee who stay in all treatments. It is worth mentioning than the measurement uncertainties due to the background radiation might be higher than desirable and special concern is required when concluding. To be enough protected is important for radiological reasons, but to be excessively overprotected might require more