title: Risk of developing another basal cell carcinoma. A 5-year prospective study.
abstract: This 5-year prospective study of 1000 people, who had one basal cell carcinoma treated, found that 36% develop a second basal cell carcinoma. The most important risk factors are a skin complexion with inability to tan and frequent sun exposure. There was no significant correlation between multiple basal cell carcinomas and sex or age.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002280:Basal Cell Carcinoma / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D011446:Prospective Studies; D012306:Risk; D012867:Skin / Q000528:radiation effects; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery; D013472:Sunlight / Q000009:adverse effects