Case Report: Iridium 192 - Health Effects during 20 Years after Irradiation

概要

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This Case Report has presented health effects of high level of irradiation withgamma rays from Ir192m on the patient M. L. during 21 years after the accident. Themain purpose of this investigation was to analyze long time consequences of partialhigh-level irradiation on human health. Locally, short-term irradiation, with highdeadly dose, caused acute radiation syndrome with reversible disorder function of theindividual, most exposed, organs. Frequency of chromosomal aberrations (dicentric),characteristic for direct irradiation, was increased. However, dicentric analyzes did notgive expected result for an acute radioactivity illness. Radio dermatitis had begunalready after the incident, while changes on the heart began not earlier than six monthsand gradually have been increased up to two years after the incident. Irradiated partsof the patient skin have been replaced with auto-transplanted skin and appropriatetherapy had been taken. More than two decades after the irradiation, system(leukemia) nor solitary tumor on near organs (liver, heart, lungs, bones) have not beenappeared. Radiation illness did not happen in spite of very large dose, because impactshad been local and body was unlikely irradiated. Also, an appropriate therapy wasorganized and other potential illnesses did not appear.
神戸大学医学部の論文