• Tiffany Eatz, Adam Levy, Martín Merenzon, Lauren Bystrom, Katherine Berry, Alexis Morell, Shovan Bhatia, Lekhaj Daggubati, Dominique Higgins, Matthew Schlumbrecht, Ricardo Jorge Komotar, Ashish H Shah, and Michael E Ivan.
• Department of Neurological Surgery, University of Miami, Miller School of Medicine, Miami, Florida, USA. Electronic address: t.eatz@med.miami.edu.
• World Neurosurg. 2023 May 1; 173: e91e108e91-e108.

ObjectiveWe aimed to describe our institutional case series of 9 surgically treated uterine brain metastases and perform a survival analysis through a systematic review and a pooled individual patient data study.MethodsThis study was divided into 2 sections: 1) a retrospective, single center patient series assessing outcomes of neurosurgical treatment modalities in patients with malignancy arising in the uterus with brain metastases and 2) a systematic review of the literature between 1980 and 2021 regarding treatment outcomes of individual patients with intracranial metastasis of uterine origin. Pooled cohort survival analysis was done via univariate and Cox regression multivariable analysis and Kaplan-Meier curves.ResultsFinal statistical analysis included a total of 124 pooled cohort patients: one hundred fifteen patients from literature review studies plus 9 patients from our institution. Median age at the time of diagnosis was 54 years. Median time from diagnosis of the primary cancer to brain metastasis was 19 months (0-166 months). Surgery and radiotherapy resulted in the highest median OS of 11 months (P < 0.001). Multivariable analyses indicated that the presence of more than one central nervous systemlesion had an increased risk on OS (P = 0.003). Microsurgery, stereotactic radiosurgery, and whole brain radiotherapy remain the evidence-based mainstay applicable to the treatment of multiple brain metastases.ConclusionsBrain metastases of cancer arising in the uterus appear to result most often in multiple lesions with dismal prognosis. The seemingly most efficacious treatment modality is surgery and radiotherapy. However, this treatment is often not an option when more than 1 or 2 brain lesions are present.Copyright © 2023 Elsevier Inc. All rights reserved.

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