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Contamination of the home environment by patients treated with Iodine-131: initial results

Jacobson, A P ; Plato, P A ; Toeroek, D

American journal of public health, March 1978, Vol.68(3), pp.225-30 [Peer Reviewed Journal]

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  • Title:
    Contamination of the home environment by patients treated with Iodine-131: initial results
  • Author: Jacobson, A P ; Plato, P A ; Toeroek, D
  • Description: We have employed twin sodium iodide radiation detectors to analyze iodine-131 transfer from thyroid patients to their families. Unlike previous studies of this problem, we measured thyroid radioiodine activity directly and are able to detect as little as 92 pCi of iodine 131 in adult thyroids. As in previous studies, we have also measured direct radiation exposures of family members with wristband thermoluminescent dosimeters. Thus far, we have studied seven families with 17 persons. Eleven of these are children under age 16. Direct radiation exposure of family persons from proximity of these radioactive patients ranged from 0.17 to 126 mR per day (natural background radiation amounts to approximately 0.35 mR per day). The maximum activity of iodine-131 in family thyroids ranged from less than 92 pCi to as high as 110,000 pCi and resulted in thyroid dose equivalents of 4 to 1330 mrem. Based on recent estimates of thyroid cancer, the latter dose equivalent could possibly double the risk of thyroid malignancy in children over what is expected normally. Such a risk implies the addition of 10 induced cases to the 10 naturally occurring cases per million people per year.
  • Is Part Of: American journal of public health, March 1978, Vol.68(3), pp.225-30
  • Identifier: ISSN: 0090-0036 ; PMID: 637168 Version:1
  • Subjects: Family ; Radiation Monitoring ; Iodine Radioisotopes -- Adverse Effects
  • Language: English
  • Source: MEDLINE/PubMed (U.S. National Library of Medicine)

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