Frontal lobe intra-axial schwannoma harboring a CHD7::VGLL3 fusion and heterozygous TSC2 p.F1510del mutation in a young child.

Background: Brain intraparenchymal schwannoma is a rare clinical entity, generally curable with adequate resection.

Methods And Results: We describe a case in a male patient first presenting at 19 months of age, the youngest reported age for this lesion. It also appears to be the first case connected to a germline TSC2 p.