No of cases Subject of study 11. Patients (most between ages Follow-up Dose No. of Form of Observed in exposed Expected if not time (yr) (R or rads) persons® cancer group” exposed 10-40 100-2000 2195 Chyroid 8 10-35 1500-2000 222 Thyroid 0 0.1 10-40} treated with x-rays tor benign lesions in neck, mainly tor tuberculous adenitis (treated between 1920-50). Hanford et. al. 1962 (158) {2. Patients, ages 20-70. treated with x-rays to thyroid tor benign disorders. DeLawter and Winship, 1963 (150) 13. Hyperthyroid patients treated with 'S'T (treated 1946-64. followup through June 1967). Saenger 3-21° 7-15 rads to bone et al., 1968 (250) marrow(¥YmCr ‘Sy avy Comparison group treated by surgery and not given ry Saenger et al., 1968 18.370 (119,000 person yr i? 11 �� Leukemia 16 11.4 at risk) 10.731 (114,000 (250) Leukemta person yr 14. Hyperthyroid patients, ages 20-60. S-15 Not given ut risk} 142 treated with x-rays (treated 1946-53, follaw-up 1959-61). Thyroid (probable) i Multiple benign thyroid nodules 7 Sheline et al.. 1962 (178) 15. Patients treated with x-rays to 5-28 250-2500 to spinal 14,302 marrow .approx. 7 of spinal dose (165,631 man yr (33%) to bone (S71 21 Lymphatic <4 (697) Through marrow person yr) 530 malignancy Leukemia spine for ankylosing spondyhtis (treated 1935-54; follow-up to Jan. 1963) Court Brown and Doll, 1965 (242) 16. Patients treated with x-rays tor cancer of the cervix. Hutchison, 1968 (243) 17. American radiologists (died 194%8- 1964). Lewis, 1976 (244) 8. American radiologists. Warren and Lombard, 1966. (245) 19. American radiologists. Seltser and Sartwell, 1965 (246) 4-5 to other sensitive areus 300-1500 av. 1964 at risk) 27,793 deaths Through 1960 5.982 1935-58 3,52] (48,895 Leukemia 60 Aplastic anemia Cancer of heavily 16 200 irradiated sites (after 6 yr} Leukemia Muitipie myeloma More than 40 thorium. Evans, 1967 (251) 21. Uranium miners exposed to radon 420 3415 6} 107 4 5) 6 13 6.3 391 $ 23 § Aplastic anemia Leukemia 1940-44 101 4 0.5 1945-49 7 .86 1950-54 6 1.26 1955-60 7 2.05 Ages 35-49 person yr) Leukemia 20. Radium dial painters and others whotrigested radium and 6.8 Other cancer Total deaths Ages 50-64 Leukemia Other cancer Total deaths Ages 65-79 Leukemia Other cancer Total deaths Bone Lung 2 1.9 9 “79 7.3 61.5 8 54 339 | 32 271.5 9 47 72 48 438 295 No significant ciinical signs of malignancies for body burdens <0.5 pCi 7° Ra 2] 5.7 gas and decay products, follow- up 1950-63. Wagoner et al., 1965 (234) *This refers to the number of individuals at risk unless otherwise specified. >The information needed to determine the number of cases is obtained by either following a designated study population or by working back from a review of all death certificates in a defined geographical area. ©The numbers in this column are based on available statistical data for unexposed populations. 4 The term person-rads pertains to the dose imparted to a population and 1s equal to the sum of the doses incurred by the individuals in the population. j ‘ ~ oe C cid cy C3 aH) *This figure is based ona systematic sampling of the population rather than a review ofall the records ‘The term person years at risk is the sum of the number of years in which the disease could develop in each member of the group. - 135 -