LZTR1 and ependymoma: Finally, a pathogenic nonsense variant in LZTR1 (p.Gln762Ter [c.2284C > T]), a gene not formerly linked with ependymoma, was detected in an otherwise healthy child diagnosed with a WHO grade 3 ependymoma (methylation class posterior fossa group A (PF-EPN-A) ependymoma, subclass 1c), located in and around the foramen of Luschka.