paediatrics Brussels 17

Are low dose really of concern ?

What is low dose ? Defined by the academy of science biological effect of ionizing radiation (BEIR ) based of life span of Bomb A survivor except breast and thyroid (which are based on medically exposed cohort )

For epidemiologist : • low dose is< 2gy(mainly estimated on Bomb A survivors) • High dose is > 5gy • Low dose given by IMRT are in fact high dose for analysis