• Emma Porter, Irene Timoney, Berbie Byrne, Vivien Marasigan, Caitriona Hackett, Bart Ramsay, Grzegorz Korpanty, and Kashif Ahmad.
• Department of Dermatology, University Hospital Limerick, Limerick, Ireland. emma.mi.porter@gmail.com.
• Ir J Med Sci. 2022 Dec 1; 191 (6): 248124852481-2485.

BackgroundMelanoma is the fifth most common invasive cancer in Ireland, and incidence is increasing. Metastatic melanoma has been associated with poor overall survival historically. New systemic anti-cancer treatment (SACT) options for advanced melanoma have emerged in the last decade, and outcomes are improving.AimsThe aim of our study was to assess the incidence and clinicopathological features of metastatic melanoma in our centre, and subsequent treatment with SACT.MethodsWe analysed retrospectively patients with metastatic melanoma in the Mid-West of Ireland, over a 6-year period (2014-2019).ResultsIn 6 years, a total of 620 patients were diagnosed with melanoma, 28 (5%) had metastatic or unresectable disease at diagnosis. Mean age at primary diagnosis was 64.5 years (range 24-90 years) and 20 (71%) were male. Median Breslow depth was 4.3 mm (mean 5.5 mm, SD ± 4.4 mm). Thirteen patients (46%) had metastases at initial presentation. Fifteen (53%) received systemic treatment in the regional cancer centre. Of 13 who did not have systemic treatment, 8 had radiological and clinical surveillance, 3 declined further treatment or surveillance and 2 were lost to follow-up. Eleven patients died from the disease with median overall survival of 1.5 years (SD ± 1.3 years).ConclusionPatients with metastatic melanoma commonly had metastases at the time of first presentation. Just over half of patients with metastatic melanoma received SACT. Early detection of melanoma is key. Further research on factors involved in late presentation, and those precluding systemic treatment, may contribute to improved outcomes in advanced melanoma.© 2022. The Author(s), under exclusive licence to Royal Academy of Medicine in Ireland.

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