title: Nevus spilus-like hyperpigmentation in psoriatic lesions during PUVA therapy.
abstract: Three patients with psoriasis who developed nevus spilus-like hyperpigmentation during PUVA therapy are described. Histological studies of skin biopsies revealed no increase in the number of melanocytes or any sign of malignancy. The need for follow-up studies is stressed.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D011564:Furocoumarins / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010778:Photochemotherapy / Q000009:adverse effects*; D010859:Pigmentation Disorders / Q000209:etiology*; D011565:Psoriasis / Q000188:drug therapy*; D012867:Skin / Q000473:pathology; D014467:Ultraviolet Therapy / Q000009:adverse effects*
chemical_list: D011564:Furocoumarins