td cervical lymphadenitis. Most of them were children or young adult treated, Of almost 200 patients so treated, 67 have been traced brought back for our personal examination of the thyroid. Twelve @f these were found to have at least one discrete mass in the thyroid. Onelyear ago eight had been submitted to surgical removal. of the mass. The two carcinomas, two Hurthle cell tumors (cne with capsular invasi Four with follicular adenomas. Three patients who had been examinéd and 2loration at the time of reporting one year ago. One of these hasibeen xxplored and carcinoma was found. Of 60 addstional individuals kn two had lesions of the thyroid; one of these was a carcinoma. Mos vatients who died did sc within 5 years after the radiation ther een given. Two patients who have very discrete firm masses, but yperation, raise considerable concern to us. A final effort will mce more to induce these patients to submit to surgery. Publicat this series of cases has been held up in the hope that all of the ibout which we are concerned can be removed. The finding of 3 c iome relationship to the development of these lesions. ph}iostdans: - Maloof, F., Dobyns, B. M., and Vickery, A. L.: thyroid of the rat. - ious Endocr 50: 612-638, 1952. Dobyns, B. M., Vickery, A. L., Maloof, F., and Chapman, E. M.: Functional and histologic effects of therapeutic doses of radiogctive iodine on the thyroid of man. - The effects of doses of radioactive iodine on the function and structure of J Clin Endocr 13: 548-567, 1953. Dobyns, B. M., And Didtschenko, I.: Nuclear changes in thyroi epithelium following radiation from radioiodine. J Clin Endocr/2l: 699-720, 1961. - Dobyns, 8B. M.,. Rudd, A. E., and Sanders, M. ..: DNA synthesis jn the radiated and stinsmlated thyroid. Endocrinc’ sy, 1967 (In Press . Macintyre, M. N. and Dobyns, B. M.: Anomalies in chromosomes of circulating leukocytes in man following large doses of radioac iodine. J Clin Endocr 22; 1141-1181, 1962. Dobyns, B. M., and Robison, Leon R. III: Deoxyribonucleic acid associated with nuclear changes in radiated human thyroids. Endocr, 1967 (Submitted for Publication). LEGAL NOTICE the Calted Thts report wes prepared as am account of Goverament speneared wort. Neither Commission: Svenes, sor the Commission, nor any persca acting of behalf of the to tha acceA. Makeo any warranty or representation. exprisesd or implied, with respect report, or that the use tacy, completeness, ov wsefalnecs of the information contained in this oot tefringe may report this in disclosed process of method, of any taformation. apparatas, petonse! owned rights: or the Sncocmee exy Hebilition with reepect to the use of, or for damages reealting trom this report. ane of any information, spparates, method, or precesa clecieeed ta . J the [content