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Microscopic polyangiitis presenting with liver dysfunction preceding rapidly progressive necrotizing

Kohzo Takebayashi1, Yoshimasa Aso, Hiroshi Kitamura

  • 1Department of Medicine, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50, Minami-Koshigaya, Koshigaya 343-8555, Japan. takeb@gmail.plala.or.jp

Southern Medical Journal
|October 1, 2004
PubMed

Insights

Microscopic polyangiitis, a rare cause of liver dysfunction, can present with abnormal liver tests, fever, and fatigue. Early diagnosis is crucial for timely steroid therapy to manage this condition effectively.

Area of Science:

  • Nephrology
  • Rheumatology
  • Hepatology

Background:

  • Microscopic polyangiitis (MPA) is a systemic vasculitis primarily affecting small vessels.
  • Liver involvement in MPA is uncommon, particularly at initial presentation.
  • Prompt diagnosis and treatment are essential for managing MPA complications.

Observation:

  • A 52-year-old woman presented with symptoms including abnormal liver function tests, fever, headache, and fatigue.
  • Two months after initial presentation, she developed rapidly progressive necrotizing glomerulonephritis.
  • Serological testing revealed perinuclear antineutrophil cytoplasmic antibody (p-ANCA) positivity.

Findings:

  • The patient was diagnosed with microscopic polyangiitis.
  • The case highlights the rare but possible hepatic manifestation of MPA.
  • The development of glomerulonephritis and positive p-ANCA confirmed the MPA diagnosis.

Implications:

  • Clinicians should consider microscopic polyangiitis in the differential diagnosis of unexplained liver dysfunction, even if rare.
  • Early recognition of MPA, including its atypical presentations, allows for prompt initiation of immunosuppressive therapy, such as steroids.
  • This case underscores the importance of a comprehensive diagnostic approach in vasculitis management.

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