title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 42-1987. A 15-year-old boy from the Dominican Republic with a progressive, destructive cutaneous disorder.
mesh_terms: D000293:Adolescent; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D004247:DNA / Q000528:radiation effects; D004249:DNA Damage; D004817:Epidermis / Q000473:pathology; D006801:Humans; D006965:Hyperplasia; D007642:Keratosis / Q000473:pathology; D008297:Male; D012535:Scalp; D012878:Skin Neoplasms / Q000473:pathology*; D014466:Ultraviolet Rays / Q000009:adverse effects; D014983:Xeroderma Pigmentosum / Q000473:pathology*
chemical_list: D004247:DNA