Mondo Description Any non-syndromic pontocerebellar hypoplasia in which the cause of the disease is a mutation in the EXOSC3 gene.

Uniprot Description A severe autosomal recessive neurologic disorder characterized by a combination of cerebellar and spinal motor neuron degeneration beginning at birth. There is diffuse muscle weakness, progressive microcephaly, global developmental delay, and brainstem involvement.

Disease Ontology Description A severe pontocerebellar hypoplasia that is characterized by hypotonia, progressive microcephaly and developmental delay, has_material_basis_in autosomal recessive inheritance of mutation in the EXOSC3 gene.