Soa Subject ot study Tt Patients Gmost between apes 10-400 treated with v-rays Fallow-up Dose Naat borm ot time (yr) (Roo rads} persons! vdncer Ob causes Observed in exposed group? bxpected it not evpared® at bO-40 100) 2000 Lu Thyroid \ bt). 38 bS00- 2000 alt Thyroid o tor benign lesions in neck, mainly tor tuberculous adenitis (treated between | 20-50) Htantord et al. 1462 (158) 12) Patients. ages 20-70) treated with x-rays to thy coud tor henign disorders DeLawter und Winship. 1462 (150) 13. Hyperthyroid patients treated with 3.2] 7-ES rads to bone treated 1946-64, followup Marrow (4 m4 PM yu through June 1967) Saenger et al, 196% (250) 18.370 Leukemia 1? 114 Leukemia la Il 4 (114.000 person yr al Fish) Comparison group treated by surgery 1.734 (} | 4 O08 and not given hy Saenger eb al . 1968 (250) person yr al risk {40 Hyperthyront pacients, ages 20-00 treated with s-rays (treated [946-83 follow-up Lusso) Sheline etal 1S) 16 Patients treated with s-rass fo spine tor ankylosing sponds itis (treated PYIS-S84) totlaw-ap ta Juan 1963) Court Brown and Doll, 1968 (242) Patients treated with x-rays tor 19ox (243) b& Hutchison, American radiologists (died | U4s- 1964) Is? Notgiven thy ron nodules Lewin, 1970 (244) Ameriun radiologists Warren and Lombard. 1466 (245) S.is 4-s (313 <ldro or S80 S800 to spinal HLM PPro’ of spinal ctose toother sensitive wheds O-T SOO as to bone marr. Ttireviageh 1964 Phrourh 4 00> (box od ian vr al risk} a7 tak Ly mphatte S30 Leukemia deaths person ye) S.a4) buen American radiologists. Seltser 435-45 Leukemia Aplaste anemia Cancer ol feavils irrudiated siles taller ovr) Leukemta (S714 malienaney | is fom 107 4 A] f 3 13 ya] Mulliple myeloma 5 10 \plastic anemia 5 a Leukemia 18-44 4 7 86 pasg-s4 PUSS-HQ) 6 7 1 26 2s person yr) Leukemia Other cancer : 0 14 73 (dR X95 us Ages 39-49 Total deaths TY 614 Apes 30-04 Leukemia Other cancer 4 s4 lt a2? Total deaths 3349 Ages 65-74 Leukemia Other cancer 9 72 Total deaths Radiumdial painters und others who ingested radium aad thorium Fvans, 167 C251) Cranium miners exposed to radon gus and decay products, Lollowup 1950-63 Wagoner et al 1965 (234) nO) Ip 200 3.82) and Sartwell, [YoS (246) 20) ~ be4gs-44 . 19° Thy reid (probable) Muttiple benmn Evol (178) cancer ot the cervix 17 S.48 More Chan 40 420 B4ls 43% 71 § 47 48 295 Bone So stgntticant clinical sins Lung of malignancies tor body burdens “20 5 uO)" Ra 7 5,7 2? “This refers to the number of individuals at cesk unless otherwise specified The information needed to determine the number of cases is obtained by either toflowing a desinated study population oc by working back from a review of ull death certiticates in a defined geowraphical area “Yhe numbers tn this column ure based on avaiable statistical dada bor ume x posed populations “The term person-rads pertuins to the dose imparted tog population ands equal to the surat the doses incurred hy the individuals inthe population *This figure is bused on a systematic sampling of the population rather Chang review of all the records 'The term Person years at sks the sum of the number of veursin which the disease Gould develop in cach member of the group - 135 -