| Namespace | disease_ontology | Obsolete | false |
| description | A pontocerebellar hypoplasia characterized by severely delayed psychomotor development with intellectual disability and poor speech, microcephaly, dysmorphic features, and pontocerebellar hypoplasia on brain imaging that has_material_basis_in homozygous or compound heterozygous mutation in the TBC1D23 gene on chromosome 3q12.1-q12.2. |
