Since 50–60% of patients with ganglioglioma have a brain-only recurrent somatic BRAF mutation c.1799T>A (p.Val600Glu) (Koelsche et al., 2013; Berghoff and Preusser, 2014), we screened for this mutation using a targeted ddPCR assay. This evidence concerns the gene BRAF and ganglioglioma.