Seasonality of cutaneous melanoma diagnosis in Northern Ireland with a review

I. Chaillol, M. Boniol, Richard Middleton, J.F. Dore, P. Autier, Anna Gavin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In light-skinned populations, the incidence of cutaneous melanoma is highest in summer and lowest in winter. We analyzed the seasonal variation of melanoma incidence in Northern Ireland from 1984 to 2006 according to the Breslow thickness and body site. We also reviewed earlier studies on seasonal variation in the diagnosis of melanoma. Two-thirds of melanomas in women (2028 cases) and one-third of melanomas in men (1230 cases) were diagnosed on the limbs. In both sexes, pronounced seasonal variations were observed in the incidence of invasive melanomas less than 2mm arising on the limbs. These seasonal variations were mainly noticeable in women of all ages, to a lesser degree in men aged below 50 years, and not in men aged above 50 years. No seasonal variation was observed for melanomas less than 2mm arising on the trunk or the head and neck nor for melanomas 2mm thickness or more, irrespective of the age, sex, and body site. Seasonal variations of thin melanomas were less noticeable in men because of the axial predominance of melanoma occurrence in this sex. The review of 15 earlier studies found by a systematic search of Medline supported the likelihood of our findings. This analysis suggests that ultraviolet radiation has a short-term promotional effect on melanocytes or nevocytes of the limbs, and is not associated with progression from thin to thick melanoma. Melanoma Res 21:144-151 (C) 2011 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.
Original languageEnglish
Pages (from-to)144-151
Number of pages8
JournalMelanoma research
Volume21
Issue number2
DOIs
Publication statusPublished - Apr 2011

ASJC Scopus subject areas

  • Cancer Research
  • Oncology
  • Dermatology

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