Is melanoma survival influenced by month of diagnosis?

Savoye, Isabelle; Jegou, David; Kvaskoff, Marina; Rommens, Kristine; Boutron-Ruault, Marie Christine; Coppieters, Yves; Francart, Julie

doi:10.1016/j.canep.2015.07.003

Cited by 6 publications

(11 citation statements)

References 27 publications

(65 reference statements)

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“…Our finding that lesions diagnosed in August are more likely to be associated with the superficially spreading histology agrees with the previous conclusions 3,5,7,10 . However, as opposed to our results, a significant seasonality for extremity lesions has also been shown in other publications 3,4,7,8,10 …”

Section: Discussionsupporting

confidence: 90%

“…A seasonality in melanoma diagnosis reaching a peak in summer, 2‐4,7‐10 particularly in June, 5,8,10 has been previously concluded. Even though we did not find an association between seasons and age and/or sex, others noted a seasonal variation among females 4,6,7,10 and older ages 3,7 .…”

Section: Discussionmentioning

confidence: 69%

“…3,5,7,10 However, as opposed to our results, a significant seasonality for extremity lesions has also been shown in other publications. 3,4,7,8,10 The previous hypotheses for the association between melanoma and the seasons are seasonal clothing changes, existence of preventive measures, and shorter or longer periods of ultraviolet radiation exposure. 8,10 For instance, limbs are usually exposed to sun for longer periods in summer so it would be reasonable to expect an increase of extremity melanomas.…”

Section: Survival Analysesmentioning

confidence: 99%

“…A seasonal fluctuation in diagnosis rates of melanoma is a well documented—though not fully understood—phenomenon, that is, higher rates in summer and lower in winter 2‐10 . Moreover, publications questioning influence of seasons on melanoma survival have produced controversial results so far 3,6,8 …”

Section: Introductionmentioning

confidence: 99%

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Seasons influence diagnosis and outcome of cutaneous melanoma

Taş

Ertürk

2020

Dermatologic Therapy

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The effects of season changes on the diagnosis of cutaneous melanoma have already been concluded; however, its clinical significance has yet to be defined. The aim of this study was to assess the effects of seasons on both the diagnosis and outcome of melanoma. A total of 1258 adult Caucasian Turkish cutaneous melanoma patients who had been treated and followed up in a single tertiary cancer referral center were included in the study. The most frequently affected season was summer (29%) followed by spring (26.6%), autumn (23.1%), and winter (21.3%). Similarly, rate of the patients diagnosed in July compared to January was significantly higher (11% vs 6%). Most of the clinicopathological characteristics were not correlated with seasons. The 5‐year overall survival rate was significantly higher for patients diagnosed in August (81%) than other months, and especially January (47%) (P = .002 and P = .0001, respectively). Similarly, the patients of July (65%) survived longer than those of January (P = .02). Furthermore, similar favorable outcomes for summer (70%) compared to other seasons and winter (51%) were shown (P = .005 and P = .001, respectively). In conclusion, there are seasonal fluctuations in diagnosis of melanoma with a peak in summer, and those diagnosed in summer have favorable survival outcomes.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 69%

Section: Survival Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Seasons influence diagnosis and outcome of cutaneous melanoma

Taş

Ertürk

2020

Dermatologic Therapy

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“…This phenomenon was reviewed in 2011 by Chaillol et al [5]. A recent study by the Belgian Cancer Registry (BCR) confirmed the seasonality of melanoma incidence in Belgium for the period between 2004 and 2009 [6]. The reason for the higher summer-to-winter ratio is not clear, although some hypotheses have been proposed.…”

Section: Introductionmentioning

confidence: 92%

Seasonal variation in cutaneous melanoma incidence, link with recent UV levels

Rommens

Jegou²,

Backer³

et al. 2016

Melanoma Research

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Our objective was to test the hypothesis of a short-term late-promoting effect of ultraviolet (UV) exposure on the development of cutaneous melanoma as an explanation for the summer peak in melanoma incidence. Therefore, we studied seasonal variation in melanoma incidence in relation to recent UV levels by direct UV measurements. Data from the Belgian Cancer Registry on invasive cutaneous melanoma diagnosed during 2006-2011 were used for analysis. Daily data on UV measurements in Belgium were obtained from the Royal Meteorological Institute. Simple and multiple negative binomial regression models were used to investigate the influence of recent UV levels on melanoma incidence. The sum of the mean UV doses in the 2 months before diagnosis was used as a proxy for recent UV exposure in the population. To include variable sunburn risks during the year, the categorical variable 'semester' was created. The incidence of melanoma in Belgium shows a distinct seasonal variation, with peaks in June or July. We found that part of this variation could be explained by the variation in dermatologic activity and, therefore, used this as an offset in our models. We found a linear relationship between melanoma incidence and UV dose in the 2 months preceding the diagnosis. UV levels had more impact in the first semester. The effect of UV levels was not modified by sex nor age. The interaction between anatomical site and UV levels was significant (P=0.002) and showed a higher effect on the upper and lower limbs compared with the head and neck and trunk.

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Striving to excel – effects from vacation periods on cancer incidence and outcome

Nilbert

2023

Acta Oncologica

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Is melanoma survival influenced by month of diagnosis?

Cited by 6 publications

References 27 publications

Seasons influence diagnosis and outcome of cutaneous melanoma

Seasons influence diagnosis and outcome of cutaneous melanoma

Seasonal variation in cutaneous melanoma incidence, link with recent UV levels

Striving to excel – effects from vacation periods on cancer incidence and outcome

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