Term Name:	hypomyelinating leukodystrophy 20
Synonyms:	HLD20
Definition:	A hypomyelinating leukodystrophy characterized by progressive loss of developmental milestones starting at about 12 to 16 months of age after normal early development that has_material_basis_in homozygous or compound heterozygous mutation in CNP on chromosome 17q21.2.
Ontology:	Human Disease [DOID:0112153]   ( DOID:0112153 )