Interferon-α-related microscopic polyangiitis in a patient with chronic hepatitis C infection

Stephen Y Oh, Brett E Jones and Suran L Fernando
Med J Aust 2011; 195 (7): . || doi: 10.5694/mja11.10249
Published online: 3 October 2011

To the Editor: A 38-year-old man with genotype 1b chronic hepatitis C infection had been treated with 48 weeks of pegylated interferon (IFN)-α and ribavirin. Autoimmune serology performed just before treatment showed positive perinuclear antineutrophil cytoplasmic antibodies (ANCA) accompanied by an elevated antimyeloperoxidase antibody level (22 U/mL; reference range [RR], < 5 U/mL). Notably, the patient was ANCA-negative 12 months previously. The treatment course was uneventful.

  • Stephen Y Oh
  • Brett E Jones
  • Suran L Fernando

  • Royal North Shore Hospital, Sydney, NSW.

Competing interests:

No relevant disclosures.


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