NCIt synonyms : HCHWAD; Hereditary Cerebral Hemorrhage with Amyloidosis-Dutch Type;
NCIt definition : An autosomal dominant form of cerebral amyloid angiopathy caused by mutation(s) in
the APP gene, encoding amyloid-beta A4 protein. The deposition of amyloid in cerebral
blood vessels wall may lead to degenerative vascular changes that may result in cerebral
hemorrhage. Mutation(s) in the APP gene may also cause autosomal dominant Alzheimer
disease 1.;