has characteristic has characteristic has material basis in germline mutation in COL4A2 Autosomal dominant inheritance autosomal dominant disease brain small vessel disease 2A, autosomal dominant https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/brain_small_vessel_disease_2 MONDO:0013773 OMIM:614483 UMLS:C3280970 POREN2 porencephaly 2 Any porencephaly in which the cause of the disease is a mutation in the COL4A2 gene. COL4A2 porencephaly GARD:0015808 porencephaly type 2 DOID:0112314 brain small vessel disease 2 MEDGEN:482600 familial porencephaly COL4A1/A2-related disorder