Term Name:	ring chromosome 20 syndrome
Synonyms:	r(20) syndrome, r20 syndrome, ring 20, ring 20 syndrome, ring chromosome 20, ring chromosome 20 epilepsy syndrome
Definition:	A ring chromosome syndrome characterized by recognizable epileptic phenotype with typical EEG pattern, intellectual disability manifesting after seizure onset in otherwise normally developing children, and behavioral changes that has_material_basis_in chromosome 20 fusion into a ring or ring-like structure.
Ontology:	Human Disease [DOID:0070622]   ( DOID:0070622 )