Analysis of trends and seasonal variation in primary cutaneous melanoma: an Irish study.
Affiliation
Department of Histopathology, Beaumont Road, Dublin, Ireland Department of Mathematical Sciences, University College Dublin, Belfield, Dublin 4, Ireland Department of Dermatology, Beaumont Hospital, Beaumont Road, Dublin, Ireland.Issue Date
2010-11-10
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Analysis of trends and seasonal variation in primary cutaneous melanoma: an Irish study. 2010:notClin Exp DermatolJournal
Clinical and experimental dermatologyDOI
10.1111/j.1365-2230.2010.03952.xPubMed ID
21251243Abstract
A seasonal variation in the presentation of cutaneous melanoma has been documented in several studies. We performed a retrospective review of primary cutaneous melanomas (n = 263) from our institution to examine whether the seasonal patterns of presentation noted in the literature would be similar in Ireland, a climate with low ambient sunshine. A summer : winter ratio was determined for age, gender, subtype, location and Breslow thickness. We found an increase in total numbers of melanomas, particularly in men. The summer : winter ratio was 2.39 for all patients (95% CI 1.60-3.57, P < 0.001), with seasonal variations noted for location, thickness and subtype (excluding lentigo). Melanomas presenting over the summer tended towards a greater Breslow thickness than did those presenting in winter. This subclassification of primary cutaneous melanoma with summer : winter ratios based on patient and tumour characteristics gave remarkably similar results to previously published reports, notwithstanding the low levels of annual ambient sunshine in Ireland.Item Type
Article In PressLanguage
nullISSN
1365-2230ae974a485f413a2113503eed53cd6c53
10.1111/j.1365-2230.2010.03952.x
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