DO_cancer_slim NCIthesaurus central nervous system embryonal tumor central nervous system tumor with BCOR internal tandem duplication ICDO:9500/3 disease_ontology A central nervous system embryonal tumor that is characterized by the presence of uniform oval or spindle-shaped cells with round or oval nuclei, pseudorosette formation, and heterozygous internal tandem duplication in exon 15 of the BCOR gene. UMLS_CUI:C5670630 DOID:0081315 CNS tumour with BCOR internal tandem duplication NCI:C186556