title: Superficial actinic porokeratosis in a patient undergoing long-term PUVA therapy.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D007642:Keratosis / Q000209:etiology* / Q000473:pathology; D011701:PUVA Therapy / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000628:therapy; D012867:Skin / Q000473:pathology; D013997:Time Factors