engleski

New IAEA end-to-end on-site IMRT audit methodology: Pilot test results

Procedures were developed for end-to-end, on-site auditing of head and neck (H&N) IMRT treatments using a specially designed anatomical phantom named “Shoulder, Head and Neck, End-to-end” (SHANE) (CIRS, Norfolk, VA). During the audit, the phantom undergoes processes similar to a radiotherapy patient treatment, i.e., it is imaged on a computed tomography (CT) scanner, the irradiation is planned using a treatment planning system (TPS) and the plan is delivered using a linear accelerator. Normally the audit is expected to take two days. The ultimate goal of the audit is to verify the quality of IMRT treatment from a physics perspective by comparing the calculated and measured doses. The pilot-testing of the newly developed end-to-end on-site IMRT audit methodology was successful. Feedback from participants helped to improve the procedures and to clarify the associated instructions.

radiotherapy, dosimetry audit, IMRT, end-to-end

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