arteriovenous hemangioma/malformation hereditary disease arteriovenous malformations of the brain https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/6877 https://www.malacards.org/card/arteriovenous_malformations_of_the_brain NANDO:2100229 Orphanet:46724 UMLS:C0917804 MEDGEN:214590 intracranial AVM MESH:D002538 NCIT:C2936 NANDO:2200851 arteriovenous malformations of the brain arteriovenous malformation of the brain, somatic OMIM:108010 MONDO:0007154 GARD:0003020 intracranial haemorrhage in brain arteriovenous malformations, susceptibility to DOID:0060688 intracranial arteriovenous malformation cerebral arteriovenous malformation intracranial haemorrhage in brain cerebrovascular malformations, susceptibility to, somatic mutation intracranial hemorrhage in brain cerebrovascular malformations, susceptibility to, somatic mutation Cerebral arteriovenous malformation (AVM) is a congenital malformative communication between the veins and the arteries in the brain in the form of a nidus, an anatomical structure composed of dilated and tangled supplying arterioles and drainage veins with no intervening capillary bed, that can be asymptomatic or cause, depending on the location and the size of the AVM, headaches of varying severity, generalized or focal seizures, focalneurological defects (weakness, numbness, speech difficulties, vision loss) or potentially fatal intracranial hemorrhage in case the AVM ruptures. SCTID:234142008 icd11.foundation:153256729