“…40,46,48,49 Interestingly, although syphilis is typically regarded as a risk factor for aneurysms in general, it is not a major factor for aneurysms of the hepatic artery. 50 Some studies have implicated longterm amphetamine use as a cause of HAA. 45,51 There are also reports of congenital defects leading to HAA, including Marfan syndrome, Ehlers-Danlos syndrome, hereditary hemorrhagic telangiectasia, Osler-Wever-Rendu disease, mucocutaneous lymph node syndrome, and fibromuscular dysplasia.…”