Clinical Edge

Summaries of Must-Read Clinical Literature, Guidelines, and FDA Actions

Lifetime Indoor Tanning Raises Risk of Cutaneous Squamous Cell Carcinoma

Key clinical point: The risk for squamous cell carcinoma increased with a greater accumulated number of indoor tanning sessions among women in Norway.

Major finding: The adjusted hazard ratio for squamous cell carcinoma for highest use of indoor tanning versus never used was 1.83.

Study details: The data come from a cohort study of 159,419 women.

Disclosures: The study was supported by the Institute of Basic Medical Sciences, University of Oslo, and the Norwegian Cancer Society. The researchers had no financial conflicts to disclose.


Lergenmuller S et al. JAMA Dermatol. 2019 Oct 2. doi: 10.1001/jamadermatol.2019.2681.