A systematic review of extraneural meningioma metastasis: timing, evolution and outlook

Extraneural meningioma metastasis is a rare occurrence and may pose a clinical challenge due to its unclear prognosis. In this systematic review, we analyze patient demographics, clinical characteristics, management strategies, and outcomes. PubMed, EMBASE, Scopus, Cochrane, and Web of Science databases were searched from inception to February 23, 2024 for cases of metastatic meningioma according to PRISMA guidelines. Descriptive statistics, Mann–Whitney U test, Fisher's exact tests, Kaplan–Meier curves, and log-rank tests were used for selected analyses. A total of 288 patients (52