SMARCB1 and meningioma: Concerning the case #11, the hemizygous deletion of chromosome 22q included SMARCB1 gene, and no alteration, no nucleotidic mutation or structural variant such as deletion, of SMARCB1 gene, was detected in the MAM and the meningioma (whereas the AT/RT component harbored a homozygous deletion of SMARCB1 gene).