Sunday, December 23, 2018

Higher radiation dose needed to X-ray obese patients increases cancer risk

https://www.eurekalert.org/pub_releases/2018-12/uoe-hrd121918.php

Public Release: 20-Dec-2018
University of Exeter

Extremely obese people are needing a far higher dose of radiation during x-ray examinations than people of normal weight, increasing their risk of cancer, new research has shown.

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The team found that obese patients received much higher doses of radiation during x-ray than normal weight people, which is necessary due to the increased amount of tissue to be imaged. The study, published in the Journal of Radiological Protection, concluded that the overall risk of cancer caused by the extra radiation was more than double (153%) that of normal-weight people undergoing X-ray. However, the risk of cancer from X-ray is low. In 2015-16, 22.6 million X-ray procedures were carried out in England. Up to 280 cancers may have been related to X-ray related radiation dose. X-rays are recognised as saving countless lives by detecting abnormalities in the body.

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