Thyroid Tumors Among Those Exposed to Radiation From the Atomic Bomb

概要

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45 out of 205 cases of thyroid diseases seen in 14 years, 1947 through 1960 had some history of exposure to the atomic bomd radiation. These were investigated for the relationship between various types of thyroid diseases and the atomic bomb radiation. The results of the study are as follows : 1) Of the thyroid disease of those who were exposed within 2 km from the hypocenter, the incidence of thyroid cancer was evidentally higher than that of the non-exposed incidence. 2) No particular changes specific to radiation were recognized in the histological findings of thyroid cancer of the exposed. 3) Exposure during early years of life had a greater effect in increasing incidence of thyroid cancer than in the exposure during later years. 4) Toxic goiter was less common among the exposed than among the nonexposed. These two groups were compared for incidence of specific thyroid diseases.
Nagasaki University School of Medicineの論文
1961-09-00