19 with the 10-year survey. Table 11 lists the residual skin lesions. No further increase in benign nevi seems to have taken place, and someregression in pigmented areas and scarring may be occurring. No evidence was seen of chronic degenerative changes or cancerofthe skin. Pediatric Examinations Pediatric studies including a brief interval history, routine clinical examination, a roentgeno- gram of the left hand and wrist, and physical anthropometry were carried out on exposed and unexposed children in 1965 (23 exposed, 48 born to exposed parents, 108 unexposed; 179 total). In 1966 only the 23 children in the directly exposed group were studied. Special attention was directed during these 2 years to the palpatory findings in the neck and thyroid gland areas. The abnormalfindings on physical examination of the children are listed in Table 12. One child (No. 1061) born to nonexposed parents had hydrocephalus, developmental retardation, and hepa- Table {2 Physical Findings. Pediatric Examination (See Table 17 for thyroid abnormalities) 1965 Survey *Number examined. 0/21 0/29 0/18 3 5 1 - 2 2 I - 3 ~ - 3 1 \ ~ - 9 14 - 0/23 7 l 4 2 - 7 2 1 8 3 1 3 - 20 16 - 2 6 4 1 l ! - . ~ | - l l - a 1 eee 2 ~ 12 2 1 3 3 1 l boo - 1 7 5 3 - Exposed children (23) RD l i 1 1 1 2 2 ~ ~ l 2 l 3 - Children born to exposed parents (48) | 1 2 2 - — Keloids Conjunctivitis Bullous lesion, lips Hypoparathyroidism (No. 21) Unilateral breast development (No. 65) Tonsils, hypertrophy Molluscum Dermatitis, nonspecific Nevi Polio, residual Cheilosis Nystagmus Thoractomy scar Mongolism (No. 1055) Hydrocephalus (No. 1061) Deformed hand (burns) Cystic mass, sole of foot (No. 807) Congenital heart disease (Nos. 1032, 1058) Tracheostomy scar Warts Pilonidal sinus Pelvic peritonitis Unexposed children born after 1 Jan. 7°55 (69) | Systolic murmur Exposed children (23)* Unexposed children born before 1 Jan. 55 (39) | Hypertension Vitiligo Caté-au-lait spots Acute skin infection Thrush ° Umbilical hernia Papilloma Outis media Acute Chronic Eczema Adenopathy Palpable spleen Palpablieliver Malformation, toes (No. 112) 1966 Survey