The condition is believed to be hereditary and linked to q25.3, on chromosome 17.<unk>  can be either congenital or acquired.  Patients with Down syndrome, neurofibromatosis, or sickle cell<unk>  can develop<unk>  malformations.  It is more common in women than in men, although about a third of those affected are male.  Brain radiation therapy in children with neurofibromatosis increases the risk of its development.
Moyamoya disease causes
Glioma causes
Gliomatosis cerebri causes
Brain abscess causes
Astrocytoma causes
Subarachnoid hemorrhage causes
Intracerebral hemorrhage causes
Oligoastrocytoma causes