A syndrome mainly characterized by severe congenital microcephaly, growth restriction, and sensorineural hearing loss due to cochlear hypoplasia and that has_material_basis_in homozygous or compound heterozygous mutation in the DDX11 gene on chromosome 12p11. [ url:https://www.ncbi.nlm.nih.gov/pubmed/20137776 url:https://ghr.nlm.nih.gov/condition/warsaw-breakage-syndrome http://purl.obolibrary.org/obo/ECO_0007645 url:https://www.ncbi.nlm.nih.gov/pubmed/23033317 url:https://www.ncbi.nlm.nih.gov/pubmed/21490908 url:https://www.ncbi.nlm.nih.gov/pubmed/26089203 url:https://www.ncbi.nlm.nih.gov/pubmed/31169992 http://purl.obolibrary.org/obo/ECO_0007637 ]