22 Table 13 Thyroid Abnormalitites in Exposed Rongelap People, 1969 (Arranged in order of appearance of abnormality) Subject No. and sex Time development 7 Present Age at age, yr exposure Year Age Findings, present status (1969) 3 M 16 1 1965 12. Hypothyroid, PBI <2ug¢% March 1965; retardation of growth preceded these findings by a numberof years. Growth spurt and improved appearance on thyroxine. 5 M 16 1 1965 12. Hypothyroid, PBI < 2% March 1965; retardation of growth preceded these findings by a numberof years. Growth spurt and improved appearance on thyroxine. 17 F 18 3 1963 12. Adenomatous goiter; total thyroidectomy, 1964. No recurrence, euthyroid on thyroxine. 21 sF 18 3 1964 13. Adenomatousgoiter; total thyroidectomy, parathyroidectomy, 1964. No recurrence, euthyroid on thyroxine. 69 F ~19 4 1964 14 Adenomatousgoiter; partial thyroidectomy, 1964. Slight roughening right lobe persists (1968). Euthyroid on thyroxine. 2 M 16 1 1965 12 Adenomatousgoiter, partial thyroidectomy, !965. Slight roughening of right lobe and isthmus(1968). Euthyroid on thyroxine. 20 M 22 7 1965 18 Adenomatousgoiter, partial thyroidectomy, 1965. No recurrence. Euthyroid on thyroxine. 64 F 45 30 1965 41 Mixed papillary and follicular carcinoma with localized metastasis. Total thyroidectomy (surgical and radioiodine) 1965. No recurrence. Euthyroid on thyroxine. 72 =#F 21 b 1965 17 3-mm noduleleft lobe. Nodule not palpable 9/66. Recurrence 1969, increased size. Mixedfollicular and papillary carcinoma. Lymph node metastasis. Adenomatous nodules were also present. Complete thyroidectomy. 42 F 18 3 1965 14 2-mm nodule right lower lobe. 3/66 nodular enlargement ( ~ 14 x normal) entire gland; firm 5-mm nodule right lobe. 7/66 subotal thyroidectomy: adenomatous goiter. No recurrence. Euthyroid on thyroxine. 61 F 23 8 1965 19 6to 8-mm smooth nodule left lower pole. 3/66 |-cm nodule left lobe. 7/66 subtotal thyroidectory: adenomatous goiter. No recurrence. Eu- thyroid on thyroxine. 40 M 44 29 1965 40 59 F . 44 1965 55 54 M 16 1 1966 13. 2-mm nodule right lower pole. 3/66 no noduies detected (reduced on hormone treatment?). 1969 suspicion ofslight recurrence. 5-mm nodule midline. 3/66 same. 7/66 subtotal thyroidectomy: adenomatous goiter. Nodular enlargement (~1'4 x normal) left lobe and isthmus with 2mm firm nodule. 1968 nodule left lobe 2 cm, thyroidectomy. No recur- rence. Euthyroid on thyroxine. 19 M 18 3 1966 15 Multinodular soft enlargement entire gland (~1%xnormal). I-cm 36 M 22 7 1966 19 Slight nodular enlargement, entire gland. 1-cm nodule, not clearly demarcated, at left lower pole. Many tiny nodules over surface of gland. Nodules enlarged 1969. 9/69 partial thyroidectomy: adenomatous goiter, degenerating follicular adenoma. nodule right lower pole. 1968 new 1-cmnodule left lobe. Thyroidectomy 1968. No recurrence. Euthyroid on thyroxine.