the present 20 cases , 191 cases in 81 pedigrees in the prior 48 reports and our 692 cases of nonfamilial intracranial aneurysm are analyzed from the view points of sex incidence , age at onset , location of aneurysm , incidence of multiple aneurysms and familial relationship .
C0007766
intracranial
C0002940
aneurysm