The International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry (IDOS) 2019 was hosted by the International Atomic Energy Agency (IAEA) at the Vienna International Centre. The symposium is of importance to both the dosimetry and medical radiation physics communities and occurs only once every 7 to 10 years.

There were over 500 participants and contributors from all over the world, including South Africa, Iran, China and Japan, as well as international organisations such as the World Health Organisation (WHO) and the United Nations Educational, Scientific and Cultural Organization (UNESCO). The conference consisted of 4 days of talks, poster presentations and discussions on topics ranging from the dosimetry of fingernails to novel concepts such as micro- and nano-dosimetry, as well as the evaluation of uncertainties, quality assurance of equipment and imaging considerations in radiotherapy.

The focus of the symposium was the dissemination of recent developments in medical radiation standards, techniques and procedures used by clinics and researchers in order to provide the best treatment to patients through radiotherapy.

Royal Surrey clinical scientist in radiotherapy physics, Dr Catharine Clark, gave a talk in a plenary session featuring fifty years of IAEA/WHO dosimetry audits, on ‘The Future of Dosimetry Audit’.

Catharine Clark (middle) with her colleagues from the National Physical Laboratory

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