DO_rare_slim chromosomal deletion syndrome chromosome 9p deletion syndrome DOID:0060732 MIM:158170 ICD10CM:Q93.5 9p syndrome MESH:C538024 disease_ontology A chromosomal deletion syndrome characterized by trigonocephaly, flattened occiput midface hypoplasia, long philtrum, prominent forehead, broad flat nasal bridge, anteverted nares, malformed external ears, hypertelorism, hypertonia, delayed psychomotor development and that has_material_basis_in a contiguous gene deletion on the short arm of chromosome 9. ORDO:261112 Alfi syndrome monosomy 9p syndrome