CONTENTS INTRODUCTION, ...0....ccccccccccseeeececcseecceceeceeacaacecteecessauceg sense sessssee secausesddeessesesdeuees coesteeeceeeseteeesineeeeenees 1 Background .............c. ccc cccesceceeeceeene ee ceee eee ececeaee sees ceneeeeeersseeecessaeeeaeeneesenerseesespareneesesgeene caeeneens 3 Organization of the 1967-69 Surveys... cece cece cceeee cece neeeeeceeceeteeeaerecseseensteececeetaetens 3 FUN DINGS .......-0..cccccccececeseeccccercccueesenscetegeu:ageeeeueeeeces paaauees cunesesceaseeeeaneusseesesaesecesseeeeenees vececaueerevenentees 3 General Medical Status...00.0..0000.c000cccccccecccscecececesevees vests neeeeses ccusesvssscceecessusse estscsetseseneeesaes tren cece cecceccscecevenveeccececserensavaceescueseeseuuseecesenstecsecansessceesseesagapsces sees eeesecceeeeeaueeteaseats Physical Examinations — Children.........0....0.ccccecccceeeceececeneeeeeeeeenteneseenensceeeetatseeeeeeeeneaeeseres Physical Examinations — Adults........0..00.cecccccccssccceeeeccnsecsnsceeceee canecseeseneceeeeeeseeseneaesntesenteeas 14 Ophthalmological Findings, 1967 Survey.................... eceeueeasceceeneeseaeceaeenesceaseetecatseseeeeisenteds 14 Results of Slit-Lamp Microscopic Examination, 1969 Survey........0..0.0.0cccecesese tenes 16 Methods.20.00.00... ccc cececssceccssvencsececeececsauensecsvevesseaeneeecucsscaesaecesaeacecuuesseeseeeseesesgegeazensacaenenees 17 Results... 18 DASCUSSION.......0.0.sececceccceeecenecece tee caeeeeeecnse cece tae ees eee cess caeneeeasceeseneties caeeaensateetssetnessoneeeentenetes 18 Thyroid Findings................ ceseeees seek cbaeseteanen tate caeeeasseeetsttsecsecesnegseaestesaceagaseaaeesstetasseneensenreria 19 Estimation of Dose of Radiation to the Thyroid Glands... eee terete 19 Previous Thyroid Studies.........0. cc cccccceceeccseccsseseseeneeccsecnseeesnesenestesecennssneqeeaeetsaescsenugnareneate 20 Development of Thyroid Lesions................ sevacetscaevttaaceteeaeeasesasceseceassenaqesesvaeaeeaseaecsnecnetenes 21 Surgical Exploration of Thyroid Nodules 22.00.00... cece ccssseeeceeeseseeeeenneeseeeecnaeearnaees 29 Thyroid Function: Correlation With Retardation of Growth in Children.................... 29 Influence of Physiological Stress on Thyroid Abnormalities.........0..0.0:cc:ecceesenee eens 25 Sex Incidence... 2... eccceccceeesescceeeseeceescee caeesececeeevscsacsasaesacescsessegacsceaeeeeeeeeeseereneeaecaeneeaeereseres 29 DISCUSSION. 2002... .eececcccccecceccceececteccacccececesceecececacecuceccecectensuensaneeececscaursasesereueneesesceteeseucntsentererets 29 ill