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General principles


RT is a multidisciplinary process; responsibilities are shared between the different disciplines and must be clearly defined. Each group has an important part in the output of the entire process, and their overall roles, as well as their specific QA roles, are inter-dependent, requiring close cooperation. For this purpose a quality system is introduced in each RT department which should encompass a comprehensive approach to all activities in the RT department starting from the moment a patient enters it until the moment he/she leaves, and also continuing into the follow-up period.

Important Principles

Guidelines should be provided how to establish a common and consistent framework where all steps and procedures in radiotherapy are taken into account. It should specify what the composition, tasks and responsibilities of a multidisciplinary QA team in a RT department should be and how a patient-related QA programme should be structured.

Introduction to References

A number of organizations and publications, including the IAEA's Setting up a Radiotherapy Programme: Clinical, Medical Physics, Radiation Protection and Safety Aspects, and the ESTRO Booklet, have given background discussion and recommendations on the structure and management of a QA programme or quality system. After explaining the need for QA in radiotherapy, Chapter 12 in the IAEA Radiation Oncology Physics Handbook discusses in detail a number of QA programmes, including patient-related QA procedures.