Intracranial teratoma in children: the role of chromosome 21 trisomy - Ferraz, Sabrine Teixeira; Valera, Elvis Terci; Brassesco, María Sol; Oliveira, Ricardo Santos de; Santos, Antônio Carlos dos; Saggioro, Fabiano Pinto; Neder, Luciano; Scrideli, Carlos Alberto; Tone, Luiz Gonzaga (Neuropathology, 2014)