possible since the team arrived the day after her death. Principal gross findings included fractures of the 5th, 6th, and 7th ribs and the first lumbar vertebra with ecchymoses and internal hemor- thage, atherosclerosis of the heart and aorta, bilat- eral pulmonary edema, and benign nephrosclerosis. Atrophy of the kidney, liver, and spleen were noted. Principal findings on microscopic examina- tion included myocardial fibrosis, aortic athero- sclerosis, and pulmonary edema. It was believed that death resulted from trauma and hemorrhage, possibly from fall. Details of the autopsy findings are reported in Appendix 6.* different from that in the unexposed comparison group. Appendix 5 lists major findings on each adult examined. Certain abnormalities such as moderate to severe arteriosclerosis showed a higher incidence in the exposed group, but these increases were probably related to the larger percentage of older people in the exposed group. In the exposed group 20% of the adults were >65 years of age, compared with 7% of the unexposed adults. Taking this into consideration, it does not appear that the abnormalities in the two groups are very different, and no evidence of any increased incidence of degenerative diseases or other diseases is apparent in the exposed group. In the exposed group several of the older people (No. 57-F, age 107; No. 46-M, Only 4 people, 2 exposed and 2 controls, required hospitalization during the past year. Two cases of hemorrhoids and an anal fistula required surgical correction; one case of an acute exfolia- tive type of dermatitis required hospital treatment. The health aide reported that during the past year about 20 people on Rongelap developed a sickness associated with eating improperly prepared arrow- age 86; No. 55-M, age 82; and No. 28-F, age 75) showed marked infirmities of old age and presented such findings as arteriosclerotic heart dis- ease, kyphoscoliosis, osteoarthritis, cataracts, and blindness. These people had to be assisted to the examination room, Only two cases in the unexposed group were in this category (No. 862-M, age 88, and No. 946-M,age 85). root flour. The sickness was characterized by soreness of the mouth and throat, anorexia, nausea, OPHTHALMCOLOGICAL EXAMINATIONS to several weeks. Occasional cases of fish poisoning (numbering about 20) occurred during the In Table 4 the incidence of various ophthalmological findings in the Rongelap people is pre- vomiting, and diarrhea, and lasted from a few days past year. They were characterized by the typical gastrointestinal and neurological symptoms noted in the past. Fish poisoning is a ubiquitous illness sented. Pterygia and pingueculae were the most reported were the usual number of cases of upper most common in those >40. All lens opacities in the South Sea Islands. The only other sicknesses common, occurring in 43% of the exposed adults and 36.9% of the control group, but these were not found in individuals <20 years of age and were respiratory infections, gastroenteritis, and numer- could be classified as senile, presenile, or congeni- ous skin conditions. ADULT EXAMINATIONS In Table 3 are listed the various physical abnormalities in the adults, except for the ophthalmolog- ical findings, which are listed and discussed in the following section. As noted in previous examina- tions, the incidence of various abnormalities in the exposed group did not appear to be significantly “The gross autopsy findings are reported by one of us (L. M.). We are grateful to Drs. Hans Cottier, W. Calvo, and V. Alcober of BNL for reporting the histological findings. tal. There were 14.5% of the exposed adults and 13.6% of the control group that had senile cataracts. Lenticular opacities (including presenile and congenital) occurred in 22.9% of the exposed group and 21.7% of the control group; they were most commonin those >45 years of age. No opacities were noted characteristic of those induced by radiation exposure. Corneal pigmentation could be classified into two groups, congenital and acquired. There were 20.8% of the exposed and 23.9% of the control group that had congenital corneal pigmentation not unlike that seen in all dark-skinned races in any part of the world. Three cases (6.2% ) in the exposed group had a noncongenital pigmentation, consisting of a dark linear streak of pigment ex- a 12

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