G6 “ir. . l Eft Hematologica T. KUMATORI each patient’s behavior on the boat. HEMAT The dose to each person differed de- pending on his behavior and the position of his cabin. TVhe integrated dose to the thyroid from !?'L was inferred as about 20 to 1. 120 rads from external countings of radioactivity in the thyroid region during mber © The total nu the 4th to counts at about than 2,000 i count of less leukocyte '¢ one case, the e minimut “ between thes tionship as Similar rela the + to 7 weeks after the initial exposure. rapidly, namely at about 6 months post explosion the activity in the urine was nl Significant amounts of radioactivity were found in the urine samples collected at about 4 weeks after the explosion. The radioactivity decreased barely detectable. Radiochemical analysis of several organs from the fatal case showed that At the same time the results cf whole body counting showed no significant difference between fishermen and controls. Thus, the external irradiation seemed to play an impotant role in early effects. SYMPTOMS AND SIGNS IN THE EARLY STAGE Figure 1 summarizes the symptoms and signs in the early stage. % No er 237 Cet saranda ait WALABe Dake 20F 75 15 sgh 25r maw Leo 10+ headache 5h fatigue fever more than38°2 a o- 0 ~ = | ‘ 10}- 25 ae . gh : N + Ee 15} \. anorexia nausea ~. Brn en, on and vomiting” >~.._ diarrhoea 1ooF aah skin lesions ! : | 20+ 75h ‘ | a \ 351 ‘| (" ok toa TO epilation 15) 5Or | ee eeee 50b 20} Bute 109+ 23+ 73h 9 va +” Raemorrhage pl awn date i- AOA rites wanamiabtied ioe TE oD fisherinen revealed no significant increase. own 1" Fig the dose as sh aPAb ee OD ot 1 eR RF the radioactivity of these organs was clearly higher, when compared with the controls, although it was not extremely high (Kimura et al., 1956). After 8'/, years and 10 years, '"Cs- and “Sr content in the urine of the \ conjunctivitis aa oth. 6-19 11-15 16-20 21-26 27-1 March oo: 2-6 711 12-12 April Fig. 1 Symptons and signs in the early stage. e Leukocytes betwe Correlation Fig. 2 e we th to es os cl d the estimate nu al im in ro body and the s. il ph ro of neut s 4 st In most case e“ans in 1 . d crease i cells in some te cases, me th the ° especially wi nsidera damage, 4 co ympho°p L end stage. ocyte cou cases. Leuk was teu eosinophi lia continue Eosinophilia still res and one case es Erythrocyt 2. of he At the time in the was observed nes cur The Price-Jo c rmal at first, an of no to cha corrseponded 3. Platelets, ete. Platelet counts shert Most of the fi lat of other tests re ct re d l an ra ne an we n wit so \. “Compari When these blo