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Staphylococcus aureus and Squamous Cell Carcinoma of the Skin.

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Author

Summary, in English

Squamous cell carcinoma (SCC) of the skin is a tumor with greatly increased incidence among immunosuppressed patients; therefore, an infectious cause of SCC has long been sought. We performed a hospital-based case-control study of Staphylococcus aureus and biopsies of SCC (n = 82), basal cell carcinoma (n = 142), actinic keratosis (n = 57), and seborrhoeic keratosis (n = 72) in comparison with biopsies from healthy skin of these 353 immunocompetent patients. In a S. aureus-specific PCR, targeting the nuc gene, presence of S. aureus DNA was strongly associated with SCC (29.3% positive specimens; adjusted odds ratio, 6.23; 95% confidence interval, 3.10-12.53) compared with healthy skin (5.7% positive specimens). There was also a tendency for association of S. aureus with actinic keratosis, but no association was found for basal cell carcinoma or seborrhoeic keratosis. Analysis using cotton swab samples taken on top of the lesions and from healthy skin gave similar results (adjusted odds ratio for SCC compared with healthy skin, 2.67; 95% confidence interval, 1.47-4.83). In conclusion, there is a strong association between SCC and presence of S. aureus. The study design used cannot determine whether the association implies that presence of S. aureus might influence carcinogenesis or whether it may imply that SCC has an increased susceptibility to S. aureus colonization. (Cancer Epidemiol Biomarkers Prev 2009;18(2):OF1-7).

Publishing year

2009

Language

English

Pages

472-478

Publication/Series

Cancer Epidemiology Biomarkers & Prevention

Volume

18

Document type

Journal article

Publisher

American Association for Cancer Research

Topic

  • Cancer and Oncology

Status

Published

Research group

  • Clinical Microbiology, Malmö

ISBN/ISSN/Other

  • ISSN: 1538-7755