4.1 Article

Melanoma brain metastases in Ireland: surgical and systemic considerations

Journal

BRITISH JOURNAL OF NEUROSURGERY
Volume 36, Issue 2, Pages 236-240

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/02688697.2021.1918327

Keywords

Malignant melanoma; brain tumours; intracranial metastases

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This study retrospectively investigated melanoma brain metastases (MBM) in Ireland and found that male predominance, leptomeningeal disease, and BRAF mutation are important prognostic factors in this population group.
Background Cerebral metastases is a common complication in patients with melanoma. There is a paucity of information in the Republic of Ireland regarding the factors associated with melanoma brain metastases (MBM). Methods Patients diagnosed with melanoma brain metastases in Ireland were retrospectively identified in Beaumont Hospital between 1999 and 2018. Patient demographics; age at diagnosis of primary melanoma, age at detection of MBM, year of detection of MBM, anatomical location of primary melanoma, BRAF mutation analysis and the number of metastases were investigated. Follow-up data were also derived, including overall survival. Results There has being a 158% increase in the incidence of primary melanoma from 1999 compared to 2016. Over the same time period 128 patients with melanoma brain metastases were diagnosed. There was a significant male predominance (n=77/128; 60%; p<0.0001). BRAF mutation and leptomeningeal disease were independent prognostic factors in our cohort with a median survival 8 months and 0.5 months, respectively. Conclusions Male predominance, leptomeningeal disease and BRAF mutation represent important considerations in this population group. The results of this study add to our knowledge concerning outcomes in melanoma brain metastases and may be useful in clinical planning and future treatments.

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