A previous keratinocyte carcinoma is probably the strongest predictor of developing new keratinocyte carcinomas, which makes these patients an interesting population for prevention interventions. Investing in large cohort studies and consortia might increase the validity of observational findings and should stimulate scientists to investigate the underlying mechanisms in detail.

dx.doi.org/10.1038/jid.2014.482, hdl.handle.net/1765/91079
The Journal of Investigative Dermatology
Department of Dermatology

Verkouteren, J.A.C, van der Leest, R.J.T, & Nijsten, T.E.C. (2015). Cohort studies (and Skin Cancer) never come alone. The Journal of Investigative Dermatology (Vol. 135, pp. 649–651). doi:10.1038/jid.2014.482