METHODS: We conducted a retrospective chart review of meningiomas in two independent cohorts of patients with germline BAP1 pathogenic or likely pathogenic (P/LP) variants at The Ohio State University Wexner Medical Center and at the Memorial Sloan Kettering Cancer Center from October 1st, 2010 date to April 21st, 2025. This evidence concerns the gene BAP1 and meningioma.