Objectives: To evaluate the action of a metal artefact reduction (MAR) tool when artefactgenerator metal object is at different positions in the field of view (FOV). Methods: A cylindrical utility wax phantom, with a metal alloy sample inside, was made. The phantom was positioned centrally and peripherally in the FOV for image acquisition, with and without the MAR tool activation. The standard deviation values (image noise levels) from areas around the metal sample and the control area were obtained. The numbers were compared by Student's t-test (a 5 0.05).

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