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Csige István
Radiation exposure of the skin from radon and its decay products

Aug 29 - kedd

15:15 – 15:30

Orvosi biofizika és sugárbiológia

E18

Radiation exposure of the skin from radon and its decay products

István Csige1,2 and Erzsébet Sóki1

1 Institute for Nuclear Research, Debrecen

2 Department of Environmental Physics, University of Debrecen

Please prepare your abstract in English based on this template and save it in a Microsoft Word (DOCX) format. Name the file according to the LastName-FirstName.docx sample, then upload it on the conference website when you send the registration.

It is generally accepted that the majority of radon-related radiation exposure, around 98%, comes from the inhalation of short-lived decay products of radon, and that it affects the respiratory system, primarily the bronchi. All other organs and tissues are affected by orders of magnitude smaller doses, and their effects are negligible compared to the increased risk of lung cancer. This is also why it caused a stir that, during the statistical analysis of the Swiss cancer registry and the results of the radon surveys in apartments there, the researchers came to the conclusion that a very strong correlation can be observed between the radon content of the apartments and the increase in the frequency of skin cancer (malignant melanoma) mortality. If it is proven that this relationship is causal, the increase in the relative risk of skin cancer due to radon is similar to that observed in the case of lung cancer. In this work, we performed measurements and model calculations for the transport of radon through the skin, as well as the deposition of short-lived decay products of radon on the surface of the skin, and we also estimated the related doses. We have found that our results do not support the findings of the Swiss epidemiological study, instead we point out the role of other confounding factor.