PUVA and cancer: a case-control study.
case_control · Level III
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- Record sourced from PubMed, PMID 8369208.
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Abstract
A detailed case-control study was carried out on 24 PUVA-treated patients with squamous cell cancer of the skin, and on an accurately matched control population of 96 PUVA-treated patients. Possible co-carcinogens, such as prior therapy with tar, ultraviolet-B, ionizing radiation, methotrexate and arsenic, were investigated. The only statistically significant association to emerge was that of prior therapy with methotrexate: relative risk 3.5; 95% confidence interval 1.2-9.9. Our data suggest that prior therapy with methotrexate might be a risk factor for skin cancer in PUVA-treated patients.
Medical subject headings
- Carcinoma, Squamous Cell
- Methotrexate
- PUVA Therapy
- Skin Neoplasms