• Nakul Dar, Georgios Mantziaris, Stylianos Pikis, Lena Young, and Jason Sheehan.
• Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia, USA.
• World Neurosurg. 2022 Aug 1; 164: 160-166.

ObjectiveThe role of stereotactic radiosurgery (SRS) in the management of recurrent and residual intracranial primary melanocytomas (PMC) remains unclear. The aim of this study is to evaluate the safety and efficacy of SRS in the management of these rare tumors.MethodsOne patient treated with SRS in our institution for an intracranial PMC was retrospectively identified. Additionally, a systematic review of English articles using MEDLINE was performed to identify studies reporting on treatment and tumor characteristics and patient outcomes following SRS-management of intracranial PMC.ResultsIncluding our institution's patient, a total of 13 patients (11 male and 2 female) met the inclusion criteria and were analyzed. The median age at SRS treatment was 49 years (interquartile range [IQR] 27). At a median follow-up of 24 (IQR 48) months, the aggregate local tumor-control rate was 76.9%. Progression occurred in 3 patients and was managed with repeat SRS (1 of 13) or salvage resection (2 of 13). One case of malignant transformation to melanoma leading to leptomeningeal dissemination and death was noted.ConclusionsSRS appears to be a reasonable treatment option for recurrent and residual melanocytomas. A higher prescription dose might be reasonable in the treatment of intermediate grade or recurring PMC. Close longitudinal follow-up for recurrence or malignant transformation of melanocytomas after SRS is recommended.Copyright © 2022 Elsevier Inc. All rights reserved.

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