256 RADIOACTIVITY IN MAN Figure 6. Hyperpigmented plaques and bullae on dorsa of feet and toes 28 days after exposure. One lesion on lelt foot shows deeper involvement. Feet were painful at this time. produce significant skin burns. The hazard of beta burns is not so serious as the whole body gamma radiation hazard, but resulting lesions may be quite disabling and, if coupled with severe radiation neutropenia, lesions may become badly infected. possibly enhancing the development of septicemia. The prophylatic measures of avoidance of contact by taking shelter or by prompt cleansing of the skin with water (not necessarily complete decontamination) would practically ¢liminate this hazard. Description of Lesions Beta burns are nor very different from X-rayor other penetrating radiation burns except that they tend to be more superficial. Early symptoms of burning, itching and tingling with possible erythema a few hours alter exposure may be accompanied by some edema and blanching in severely irradiated skin. These 2012 i126

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