in a 12.3-year prospective study of 892 men in a cohort of patients with psoriasis who had been treated with oral methoxsalen ( 8-methoxypsoralen ) and ultraviolet a photochemotherapy ( puva ) , we identified 14 patients ( 1.6 percent ) with 30 genital neoplasms .
C0033860
psoriasis
C0025684
8-methoxypsoralen