WKS WAAR DMWOYWVY AWWNHEE CONTENTS 2A 6 »G g »g 32 32 52 33 B. C. Methods . . . « « «© «© © © © 1. Thyroid Examinations . . 2. Pathologic Evaluation . 3. Thyroid Function . . - 2. Findings . 2. 1. 6 2 0 ee ee 1. 36 36 47 48 49 53 53 ow ee ew ee lh eee © © ee we te we we we © © © © we ew wt we ew we ew ee wh wt eh te he he tl a (c) Gross Findings at Surgery +e «© «© e+ © © se we eee X. 57 57 CT 61 D. 2. Thyroidal Hypofunction . . 2. 2. 2. 6 6 2 © © ew ew te we we we tw 3. Thyroid Abnormalities in Cases Exposed In Utero ....... 4. Problems Associated With the Thyroid Hormone Treatment Program 5. Lodoprotein Studies ... 2. 6 © a © © «© © we we we ew we we Discussion of Thyroid Findings . . 2... 2. « © © «© © © ww ew ww 70 74 75 76 76 A. B. Background . . 6. 6 «0 6 6 @ © oe ww se ww ew tw wt tw tt Methods ... 2. © «© «© © © © © © et we we ew ww ee tlt le et RADIOLOGICAL MONITORING OF PERSONNEL AND ENVIRONMENT . .. C. Results and Comments . .. 1, Rongelap and Utirik . 2. XI. 55 55. 55 56 57 .... 2+ +e ee eee oes (d) Histopathology . . 6 6. 1 ee ee ew ee ee ew we ee ww ~ ) Bikini. 2. 6 6 SUMMARY AND COMMENTS . A. B. C. . 2. 2 « © © « 82 82 82 2. 2. 2 26 © «© © «© «© © © © © © © © © ©» © eo oe we ow we ow we we eh tw we ewe 6 0 + 2 © ee ew we eo we we eo we ew we we te ee ee we 663 «© 2. . 2 6 ee ww ew ee ee . .- ee Early Observations . 2. 1. 2 6 «6 © © © ee © wo te we ew ee wh we we Late Observations ....6 «6 6+ «© se ee @ ee eee we ee ee Comments . . 2 2 6 2 2 @ 8 6 we we we we ht hl hl te REFERENCES . 2. 6 ee te ew te ee et ee te wt we ew we we eh ww ee we) 82 82 83 85 86 86 87 «BY APPENDICES . 2. 2 2 6 0 © © ee © ee ew te te we tt th tlt tw ww lw he) I. Incidence of Thyroid Disease in Comparison Populations .... «6104 104 tions Based on Estimated Radiation Exposure Levels .... 104 II. A. B. Thyroid Findings in Comparison Populations ....+.+. .Expected Cases of Thyroid Nodules in Comparison Popula- C. Comparison of Thyroid Findings in Marshallese Comparison Populations With Those in Other Unexposed Populations .. Dose Assessment A. 38 Gl 7 we © © ew we (a) Climical Characteristics . ... 2. 36 43 © © © © 2 6 se «© 2 2 © ee ee eh ee we (b) Prevalence . 1. 1 5 0 ee ee we et tw tt tt et eh th ee) 33 33 35 Thyroid Nodule © © 2. 2. . . 6 6 ew C. D. . . 1. Early Radiation l. Source . 2. 2. 2. 6 2 2 2 © ee ee 6 6 «© © © w@ © © we we te «© . 2. «© 6. © 26 © 1 © © ee © © © © ee we Gamma (Whole-Body) Dose 5. Thyroid Doses Skin Dose ... Internal Doses . .....4 .. 2... 6 «© we we ew eh hel he™©6«6CL1O eh lw wl whl whl whl wh e!dh« te oe ew we thle ew we tl we whl ew wh edh«CdYD es LIM 2 0 «© «© «© 6110 6110 © © © ss All © «© © @ © wo © © ew we © @ © «112 ew ew Residual Radiation (Accumulated Exposure From Habitation on Rongelap or Utirik Atoll) ...... 5.6 1. Early Calculations . . . 2... 2 1 ee 2. Reevaluation . 2. 1. 6 6 ee ee we ew he ew Bikini Dose Estimates ... 2. 2. 2 « © » «© Other Atolls . . 2. 2 2 © 6 ow ww ew te ew we - xiii - 107 ee . 2... 1 6 ee we ee we ew we we ew ew ee 2. 3. 4. B. . 104 6 ee © we wo ew ew ew ee » ew wt we we we eh ow ew @ wo wh w@ lw ee «6114 © ©6114 ew e615 © «© LIDG whe) 6120