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Polyarteritis nodosa - Symptom

Alternative Names

Periarteritis nodosa

Signs and tests:

There are no specific lab tests for diagnosing polyarteritis nodosa. Diagnosis is generally based upon the physical examination and a few laboratory studies that help to confirm the diagnosis:

  • CBC may show a higher-than-normal white blood count.
  • ESR is often higher than normal.
  • Tissue biopsy reveals inflammation in small arteries, called arteritis.
  • Immunoglobulins may be increased.
  • Reviewed last on: 8/22/2006
  • Lisa Christopher-Stine, M.D., M.P.H., Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, Johns Hopkins University,Baltimore, MD. Review provided by VeriMed Healthcare Network.