[YAG:Nd laser cw in treatment of precancerous states of the penis].

In the paper the results are presented of treatment with laser light generated by a YAG:Nd cw laser of a patient with Queyrat disease and another patient with leukoplakia of the glans penis. As the result of the treatment carried out, the lesions revealed during six-month observation regressed completely, leaving no scars. No impairment of sexual functions was found in the treated patients.