[Extrahepatic manifestations of hepatitis C virus: the thyroid disorders]

Alessandro Antonelli1, Clodoveo Ferri, Poupak Fallahi

  • 1Dipartimento di Medicina Interna, Università di Pisa. a.antonelli@med.unipi.it

Insights

Patients with chronic hepatitis C virus (HCV) infection show a higher prevalence of thyroid disorders, including autoimmune thyroid disease and hypothyroidism. Careful thyroid monitoring is recommended during HCV patient follow-up.

Area of Science:

  • Endocrinology
  • Hepatology
  • Immunology

Context:

  • Chronic hepatitis C virus (HCV) infection is a global health concern.
  • Thyroid dysfunction is frequently observed in patients with chronic HCV.
  • Existing research indicates a higher prevalence of thyroid alterations in HCV patients compared to other hepatitis types or healthy controls.

Purpose:

  • To summarize the current understanding of thyroid disorder prevalence in chronic hepatitis C patients.
  • To highlight the association between HCV infection and various thyroid dysfunctions.
  • To emphasize the need for vigilant thyroid monitoring in HCV management.

Summary:

  • Studies consistently report a higher incidence of thyroid disorders, including hypothyroidism and autoimmune thyroid disease, in individuals with chronic HCV infection.
  • Thyroid dysfunction in HCV patients encompasses hypothyroidism, hyperthyroidism, Hashimoto's disease, and elevated antithyroid autoantibodies.
  • Emerging evidence suggests a potential link between HCV and an increased risk of thyroid cancer, warranting further investigation.

Impact:

  • This information underscores the importance of routine thyroid screening for patients with chronic HCV.
  • Early detection and management of thyroid disorders can improve patient outcomes and quality of life.
  • Further research into the mechanisms underlying HCV-thyroid interactions may reveal novel therapeutic targets.

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