Term Name:	posterior fossa group B ependymoma
Synonyms:	Posterior Fossa Ependymoma, Group B (PFB), Posterior fossa group B (PFB) ependymoma
Definition:	A posterior fossa ependymoma that arises in the posterior fossa with characteristic DNA methylation patterns including retention of nuclear H3 p.K28me3 (K27me3) expression, absence of CpG island hypermethylation, absence of global DNA hypomethylation, and absence of EZHIP overexpression.
Ontology:	Human Disease [DOID:0081255]   ( DOID:0081255 )