Mastoid Carcinoma 52 Years After Childhood Intake of 226Ra in a Man Retaining 1kBq: Estimation of Skeletal Dose

Body 226Ra activity monitored periodically in the interval from 23 y to 51 y after intake remained virtually constant at about 1 kBq in a man who developed a mastoid carcinoma 52 y after ingesting a tonic containing radium salts at age 6-8 y. The skeletal dose at the time of tumour diagnosis, estima...

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Bibliographic Details
Published in:Radiation protection dosimetry 1987-12, Vol.21 (4), p.197-203
Main Authors: Keane, A.T., Mays, C.W.
Format: Article
Language:English
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Summary:Body 226Ra activity monitored periodically in the interval from 23 y to 51 y after intake remained virtually constant at about 1 kBq in a man who developed a mastoid carcinoma 52 y after ingesting a tonic containing radium salts at age 6-8 y. The skeletal dose at the time of tumour diagnosis, estimated to be within a factor of two of 1.2 Gy, was less than the lowest skeletal dose (4.6 Gy) estimated for the 88 US persons measured for radium body content who developed malignancies of bone or of the paranasal sinuses or mastoid air-cells following exposure as adolescents or adults to 226Ra or to mixtures of 226Ra and 228Ra.
ISSN:0144-8420
1742-3406
DOI:10.1093/oxfordjournals.rpd.a080076