oe LATE EFFECTS OF RADIOACTIVE IODINE IN FALLOUT TABLE 3. Age at 1225 Thyroid Abnormalities in Exposed Rongelap People, 1966 Case Present 17 i) 3 F 3/63 21 15 3 I 3/64 69 16 4 ¥ 3/64 20 19 7 r 3/65 2 13 1 M 3/65 64 42 30 F 3/65 5 13 l M 3/65 3 13 I M 3/65 72 18 6 3 F i 9/65 61 20 8 F 9/65 40 41 29 M 9/65 59t 54 46 13 36 1 F M 9/65 3/66 19 17 5 M 3/66 5-mm nodule midline; March 1966 same. Nodular enlargement left lobe and isthmus with 2-mm firm nodule. Multinodular soft goiter—gland 14 > normal 36 19 7 M 3/66 About i-cm nodule—not clearly demarked— 33 13 1 I 3/66 35 13 1 I 3/66 Exposure Sex Date Findings Abnormality Noted vr 9/65 ; para1964. 1965. 1965. Malignant nodule, thyroidectomy—surgical and with radioiodine 1965. No recurrence noted on physical examination.* Hypothyroid, protein-bound iodine (PBI) less than 2 4g/100 ml March 1965, marked retardation of growth; March 1966 growth spurt and improved appearance on hormone. Hypothyroid, PBI less than 2 ug/100 ml March 1965, marked retardation of growth; March 1966 growth spurt and improved appearance on hormone. , 3-mm nodule left lobe. No exam March 1966. 2-mm nodule right lower lobe; March 1966— nodular enlargemententire gland; firm 5-mm nodule rightlobe. 6- to 8-mm smooth nodule left lower pole; March 1966 1-cm nodule left lobe. 2-mm nodule right lower pole; March 1966 no nodules detected. size; 1-cm nodule right lowerpole. right lower pole. Many tiny nodules on surface of gland. In September 1965 questionable irregular gland. Now definite 5-mm nodule left lobe. 2 pre- tracheal lymph nede. In September 1965 questionable small nodule; now 5-mm nodule right lobe. * Unable to carry out follow-up thyroid uptake and X-ray studies due to pregnancy. + Exposed to only 69 rads whole-body radiation and presumably proportionately less thyroid dose. normalities has occurred in children exposed at less than 10 years of age and in the more heavily exposed Rongelap group. There were 19 children in this group exposed to 175 rads of whole-body irradiation. The 2 severely hypothyroid cases are also in this group. Note that in the Ailinginae group, who received considerably less ex- posure, there have been no nodules found in the 6 children in that age range. On Uuirik Island there were 40 children in the same age range, who received an estimated ot 15 Norecurrence. 1964. eea Bc 42 1 Benign nodules, complete thyroidectomy ’ No recurrence. Benign nodules, complete thyroidectomy, thyroidectomy 1964. No recurrence. Benign nodules, partial thyroidectomy Norecurrence. Benign nodule, partial thyroidectomy Norecurrence. ~ Benign nodule, partial thyroidectomy peraay Age 55 to 110 rads to their thyroid glands, and there were no cases of thyroid abnormalities seen. In the 61 unexposed children in the comparison population on Rongelap of the a ee pg ge me, ore Volume,66, No. 6 + ~ on ~ -—eee a *