cerebrovascular disorder porencephaly familial porencephaly https://github.com/monarch-initiative/mondo/issues/6740 https://rarediseases.info.nih.gov/diseases/2258/familial-porencephaly https://www.malacards.org/card/brain_small_vessel_disease https://www.malacards.org/card/familial_porencephaly GARD:0002258 icd11.foundation:1833583032 MEDGEN:401353 OMIMPS:175780 Orphanet:99810 UMLS:C1867983 An instance of porencephaly that is caused by an inherited modification of the individual's genome. hereditary porencephaly familial porencephalic white matter disease MONDO:0020496 DOID:0112313 hereditary neurological disease obsolete_familial porencephaly