“…In addition, histological features, including nonspecific portal inflammatory infiltrates, periportal hepatocyte necrosis, and pericholangiolar inflammation, were also consistent with syphilitic hepatitis reported previously (6,8). As in the present case, identification of spirochetes in liver biopsy specimens failed in the majority of published cases (5)(6)(7)9). There are various pathogeneses, such as direct portal venous inoculation and immune complex-mediated disease (6); however, given the rarity of detecting spirochetes in liver specimens, direct hepatotoxicity of the microorganism seems to be unlikely.…”