cerebral amyloid angiopathy, APP-related (MONDO_0011583) is a cerebral amyloid angiopathy that has material basis in an autosomal dominant mutation of APP on chromosome 21q21.3. Also known as: HCHWAD, amyloidosis, Cerebroarterial, APP-related, cerebral amyloid angiopathy, Dutch, Italian, Iowa, Flemish, Arctic variants.