23 Table 13 (continued) Thyroid Abnormalitites in Exposed Rongelap People, 1969 (Arrangedin order of appearance of abnormality ) Time of development Subject No. and sex Present Age at age, yr exposure Year Age Findings, presentstatus (1969) pre- 33 «=*F 16 1 1966 13. 9/65 questionable irregular gland. 3/66 definite 5-mm noduleleft lobe. 7/66 subtotal thyroidectomy: adenomatousgoiter, Hiirthle cell adenoma. No recurrence. Euthyroid on thyroxine. pre- 65 F 16 1 1966 13. 9/65 questionable smail nodule. 3/66 5-mm nodule right lobe. 7/66 right subtotal thyroidectomy: adenomatous goiter. No recurrence. ved ved Euthyroid on thyroxine. ig of Eu- asis. nee. <P: ae et ning ee bhe t 964. woeLeaps ade operated. eu- 23 M 19 4 1967 17 15 F 22 7 1968 21 ig F 36 21 1969 36 Thyroid Nodules (Plus Hypothyroidism), Marclf"1969 10de don my: th 2- Group Rongelap (175 rads y) carly land. tous Age at exposure Estimated thyroid dose, rads Percent thyroid lesions <10 >10 all 500-1400 160¢ a on <10 275-550 55 ~- 12.5 (1/8) 7.1 (1/14) (14 rads y) <10 55-110 0.0 {/40) Rongelap unexposed <10 Ailingnae (69 rads y) Utirik ‘cur- t-cm idec- =Knarled mass right lobe. Complete thyroidectomy.Follicular carci- nomaof right lobe. Adenomatousnodules were also present in remainder of gland. Table 14 thy- _Eu- Slight nodularity both lobes. 1968-1969 nodularity increase. Subtotal thyroidectomy 1969. Benign adenomatous nodules. * Ailingnae group; received 70 rads gammaradiation. This patient died of influenza-pneumonia in 1968. Another 77year-old woman in the Ailingnae group (#43) died in 1964 of pneumonia, and, though no chemical evidence ofthyroid _ adenomata was noted prior to death, histological examination of her thyroid revealed adenomatous changes. A 29year-old female (#70) from this group had a neurofibroma removed from theleft side of the neck, near the thyroid, in 1968. 969, nordecxine. 1.5 to 2-cm nodule right lobe. 1968 slight increase in size of nodule. Subtotal thyroidectomy 1968. No recurrence. Euthyroid on thyroxine. >10 all >10 all >10 all aDose from 131. 132, 133, 135]. Based on present population. 14 ~ - °Children 10 to 20 years of age at exposure received up to about 500 rads. SUCb 200 89.5 (17/19) 8.8 (3/34) 39.6 (21/53) 0.0 (0/6) 5.1 (3/59) 3.0 (3/99) 0.0 (0/61) 2.3 (3/133) 1.5 (3/194) Percent malignancy 5.3 (1/19) 5.9 (2/34) 5.7 (3/53) - - 1.7 (1/59) 1.0 (1/99) - -