Dose to Medical Personnel

Dose to Medical Personnel: Radioiodine 131I is successfully used in nuclear medicine for the treatment of hyperthyroidism and thyroid cancer. This radionuclide emits β− particles used for the treatment and gamma photons used for diagnosis. The aim of this study is to determine gamma radiation doses received by medical personnel situated at a distance of 1 m from patients having ingested 131I for the treatment of hyperthyroidism diseases. Indeed, gamma doses were calculated using a Monte Carlo code based on simulating the interaction processes of gamma photons emitted by 131I in the thyroid gland, air, and an ambient flow meter placed at a distance of 1 m from the thyroid gland to measure the administered 131I activity. The thyroid volume of patients was measured by means of a gamma camera. Gamma dose equivalent r...

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