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What is the basic principle of Monte Carlo algorithm in radiotherapy? Describe methods to ensure the...

What is the basic principle of Monte Carlo algorithm in radiotherapy? Describe methods to ensure the accuracy of calculated dose when commissioning a Monte Carlo algorithm.

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Answer #1

The basic principle of Monte Carlo Algorithm in radiotherapy for calculating Dose is based on the transport of each individual particle into the tissue. The transport of the particle is done using the physics of the interaction of the particles with matter. It uses Random numbers and different probability distributions to model the interactions.

The methods used to ensure accuraacy of the calculations are to accurately reproduce all beam geometries and beam modification devices and to account for the effects of heterogeneities in the full three-dimensional (3D) patient geometry.

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