title: Nodular malignant melanoma and multiple squamous cell carcinomas in a patient treated by photochemotherapy for psoriasis.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000209:etiology*; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000209:etiology*; D011701:PUVA Therapy / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012878:Skin Neoplasms / Q000209:etiology*