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Radiat Prot Dosimetry. 2002;101(1):229-32. doi: 10.1093/oxfordjournals.rpd.a005973.

Hand exposure in nuclear medicine workers.

Radiation protection dosimetry

W Chruscielewski, J Olszewski, J Jankowski, M Cygan

Affiliations

  1. Department of Radiological Protection, Nofer Institute of Occupational Medicine, Lodz, Poland. [email protected]

PMID: 12382741 DOI: 10.1093/oxfordjournals.rpd.a005973

Abstract

As a result of the gamma radiation emitted by radioactive elements (e.g. 99mTc and 131I) used in nuclear medicine laboratories for diagnostic and therapeutic purposes, nuclear medicine workers are exposed to whole-body doses. These doses arc usually measured by using individual film dosemeters. Lead or lead glass shields used during the handling of radioisotopes minimise the whole-body doses received. Nevertheless, part of the job has to be performed manually, hence the hands are more exposed to radiation. This paper presents the results of measuring the equivalent dose to the hands of workers employed in five selected nuclear medicine laboratories where technetium and iodine radioisotopes are in common use. Sixty workers, including physicians, nurses, radiopharmacists and technicians, were included in the study. Doses were measured at 1 month intervals. The study indicated that, in some instances, the danger of radiation dose to the hand may be significant. Monthly doses exceeded 50 mSv, which may suggest that an annual dose may be higher than 500 mSv.

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