Hereditary cerebral hemorrhage with amyloidosis (HCHWA), Piedmont type is a form of HCHWA (see this term) characterized by an age of onset between 50-70 years of age, recurrent lobar intracerebral hemorrhages and cognitive decline. The disease is Hereditary cerebral hemorrhage with amyloidosis, Piedmont type (Orphanet_324703). Also known as: HCHWA, Piedmont type.