Monarch Disease Ontology entry MONDO_0007098 (ACys amyloidosis) can be described as follows. Hereditary cerebral hemorrhage with amyloidosis (HCHWA), Icelandic type is a form of HCHWA characterized by an age of onset of 20-30 years, systemic amyloidosis and recurrent lobar intracerebral hemorrhages. Also known as: CST3-related amyloidosis, HCHWA, Icelandic type, amyloidosis VI, amyloidosis, Cerebroarterial, Icelandic type, cerebral hemorrhage, hereditary, with amyloidosis, cystatin amyloidosis, hereditary cerebral haemorrhage with amyloidosis, hereditary cerebral haemorrhage with amyloidosis, Icelandic type.