2. A congenital aneurysm of the circle of Willis associated with polycystic kidney.
D002941:Circle of Willis; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications* / Q000151:congenital; D008297:Male; D008875:Middle Aged; D007690:Polycystic Kidney Diseases / Q000150:complications*