Previously [[embryonal tumor with multilayered rosettes]] (ETMR) where known as [[embryonal tumor with abundant neuropil and true rosettes]] (ETANTR). This term has, however, been removed from the 2016 update to WHO classification of CNS tumours in favour of embryonal tumours with multilayered rosettes (ETMR) which incorporates not only ETANTR but also ependymoblastoma and CNS PNET which have also been removed from the classification ((Louis DN, Perry A, Reifenberger G, von Deimling A, Figarella-Branger D, Cavenee WK, Ohgaki H, Wiestler OD, Kleihues P, Ellison DW. The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. Acta Neuropathol. 2016 Jun;131(6):803-20. doi: 10.1007/s00401-016-1545-1. Epub 2016 May 9. Review. PubMed PMID: 27157931. )).