has characteristic has characteristic Infantile onset syndromic intellectual disability syndromic disease infantile choroidocerebral calcification syndrome https://github.com/monarch-initiative/mondo/issues/5588 https://www.malacards.org/card/choroid_plexus_calcification_and_impaired_intellectual_development https://www.malacards.org/card/infantile_choroidocerebral_calcification_syndrome choroid plexus calcification with intellectual disability GARD:0001313 MONDO:0008981 choroid plexus calcification and mental retardation Choroido-cerebral calcification syndrome with retardation SCTID:724228005 MEDGEN:395174 UMLS:C1859092 choroid plexus calcification with mental retardation OMIM:215480 This syndrome is characterized by intellectual deficit, calcification of the choroid plexus, and elevated levels of cerebrospinal fluid (CSF) protein. It has been described in two sibships from two unrelated families. The seven children of one of the sibships were born to consanguineous parents. Some patients also had strabismus, hyperactive deep tendon reflexes and foot deformities. Orphanet:1313 MESH:C535357