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Related Experiment Videos

Varicella glomerulonephritis mimicking microscopic polyangiitis.

Rashna Dass1, Surjit Singh, Vijay Kumar

  • 1Advanced Pediatric Center, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India.

Rheumatology International
|January 24, 2004
PubMed
Summary

Childhood varicella (chickenpox) is typically mild. However, this case highlights rare varicella nephritis where kidney issues appeared before skin rash, mimicking other serious conditions.

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Area of Science:

  • Nephrology
  • Pediatrics
  • Infectious Diseases

Background:

  • Varicella (chickenpox) is a common childhood viral illness, usually self-limiting.
  • Varicella nephritis is a rare complication, predominantly observed in immunocompromised patients.
  • Juvenile rheumatoid arthritis (JRA) is an autoimmune condition affecting children.

Observation:

  • A 14-year-old boy with JRA presented with symptoms suggestive of kidney involvement.
  • The patient's renal manifestations began approximately one week prior to the onset of the characteristic varicella skin rash.
  • This temporal sequence of symptoms is highly unusual for varicella.

Findings:

  • The patient was diagnosed with varicella nephritis, a rare complication of chickenpox.
  • The renal disease preceded the cutaneous manifestations of varicella by one week.

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  • This presentation mimicked the clinical features of microscopic polyangiitis, a systemic vasculitis.

    • Implications:

    • This case underscores the importance of considering varicella nephritis in children with autoimmune conditions presenting with unexplained renal abnormalities.
    • The atypical presentation highlights diagnostic challenges, as renal symptoms can precede the typical rash.
    • Early recognition and management are crucial to prevent severe renal sequelae in varicella nephritis.