has material basis in germline mutation in ATP7A occipital horn syndrome https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/occipital_horn_syndrome SCTID:59399004 OMIM:304150 GARD:0004017 cutis laxa, X-linked MESH:C537860 DOID:0111272 occipital horn syndrome Occipital horn syndrome (OHS) is a mild form of Menkes disease (MD), a syndrome characterized by progressive neurodegeneration and connective tissue disorders due to a copper transport defect. EDS IX (formerly) UMLS:C0268353 Ehlers-Danlos syndrome, occipital horn type Orphanet:198 Ehlers-Danlos syndrome, occipital horn type (formerly) NANDO:1200654 cutis laxa X-linked EDS9 occipital horn syndrome, X-linked recessive MONDO:0010572 MEDGEN:82793 OHS NANDO:2200581 multiple congenital anomalies/dysmorphic syndrome-variable intellectual disability syndrome developmental anomaly of metabolic origin disorder of copper metabolism inherited cutis laxa