Mortality in women with pregnancy-associated malignant melanoma.
Johansson, Anna LV;
Andersson, Therese M-L;
Plym, Anna;
Ullenhag, Gustav J;
Møller, Henrik;
Lambe, Mats;
(2014)
Mortality in women with pregnancy-associated malignant melanoma.
Journal of the American Academy of Dermatology, 71 (6).
pp. 1093-1101.
ISSN 0190-9622
DOI: https://doi.org/10.1016/j.jaad.2014.09.018
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BACKGROUND: Malignant melanoma (MM) is one of the most common malignancies in young women. It remains debated whether a MM diagnosed during pregnancy or lactation has a worse prognosis. OBJECTIVE: We sought to examine mortality in women with pregnancy-associated MM (PAMM) (diagnosed during pregnancy and up to 2-years postpartum). METHODS: This was a population-based cohort study based on information retrieved from the Swedish Cancer and Multi-Generation Registers. Hazard ratios with 95% confidence intervals adjusted for age, period, education, parity, and tumor location were estimated. RESULTS: In total, 6857 women and girls aged 15 to 44 years with a diagnosis of cutaneous MM between 1963 and 2009 were identified. Of these, 1019 cases were classified as PAMM. The cause-specific mortality did not differ between PAMM and MM not diagnosed near childbirth (adjusted hazard ratio 1.09, 95% confidence interval 0.83-1.42). LIMITATIONS: Information on stage at diagnosis was available only for a subset of patients CONCLUSION: Overall, the cause-specific mortality in women and girls with PAMM did not differ from that in women and girls with non-PAMM. The current findings do not provide evidence of an adverse prognostic influence of pregnancy or a recent birth.