With new, effective treatments for chronic lymphocytic leukaemia (CLL) the impact of second malignancies is increasingly important. We performed a retrospective case-controlled study examining the effect of CLL and its treatment on melanoma-specific survival and recurrence. A total of 56 patients with melanoma with CLL were matched 1:1 to patients without CLL for age, date of diagnosis, gender and melanoma tumour, node, metastasis (TNM) stage. Multivariate analysis found CLL was associated with significantly worse melanoma-specific mortality (hazard ratio [HR] 2.46, 95% confidence interval [CI] 1.27-4.74, p = 0.007) and recurrence (HR 3.44, 95% CI 1.79-6.63, p < 0.001). Patients with CLL had poor immunotherapy tolerance and prior CLL treatment was not associated with melanoma outcomes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9314657PMC
http://dx.doi.org/10.1111/bjh.18090DOI Listing

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