CATHODE RAY TREATMENT FOR LYMPHOMAS INVOLVING THE SKIN

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Abstract
HIGH-ENERGY cathode rays present an almost ideal form of radiation for the treatment of those lesions involving the skin which can benefit by ionizing energy. Their clinical advantage arises from the possibility of selecting the desired electron penetration by controlling the voltage, from the complete absence of damage to tissue beyond the well-defined electron range, and from the reduced biological effect in the outer layers of radiosensitive skin. This distribution of cathode ray dose for the treatment of superficial lesions is best obtained by using essentially monoenergetic electrons directed normally into the skin surface. During the past two years we have treated five patients having lymphomas with extensive involvement of the skin, one patient with inner canthus carcinoma, one with atopic dermatitis, one with sycosis barbae, and three patients presenting keloidal scars. These patients were all treated by delivering to the involved skin area a number of doses of 2,500,000-volt electrons, these electrons being produced by a constant-potential accelerator of

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