Resumo

LIMA, Sérgio; FARIA, Raquel  e  NERY, Filipe. Improvement of Central Nervous System Vasculitis in a Patient with Chronic Hepatitis C Virus Infection after Treatment with an Interferon-Free Regimen. GE Port J Gastroenterol [online]. 2019, vol.26, n.4, pp.275-278. ISSN 2341-4545.  https://doi.org/10.1159/000492066.

Background: Neurosarcoidosis is a rare manifestation of hepatitis C virus (HCV) infection, mainly in patients exposed to interferon-based therapies. Although we are living in a new era of HCV treatment, there is still little data concerning the treatment of extrahepatic complications of the disease with direct antiviral agents, especially rare ones such as neurosarcoidosis. Summary: We present a rare case of central nervous system vasculitic lesions in the context of chronic HCV infection associated with mixed cryoglobulinemia, elevated angiotensin-converting enzyme (ACE) levels, and documentation of viral RNA in the cerebrospinal fluid in a treatment-naïve chronic HCV patient. Successful treatment with an interferon-free regimen improved all clinical manifestations, reduced the levels of serum ACE, and reduced the cryoglobulin levels to undetectable. Messages: Neurosarcoidosis and cryoglobulinemia are rare but well-recognized complications of HCV infection, even in treatment-naïve patients. Direct antiviral agents can be useful in the management of this condition.

Palavras-chave : Hepatitis C virus infection; Neurosarcoidosis; Central nervous system vasculitis; Direct antiviral agents; Cryoglobulinemia.

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