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Polyarteritis, microscopic on the shin Microscopic polyarteritis 2 Circulatory system

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Polyarteritis nodosa

Alternative Names: Periarteritis nodosa Symptoms: Fatigue Weakness Fever Abdominal pain Decreased appetite Unintentional weight loss Muscle aches Joint aches 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: Text Continues Below CBC (may demonstrate an elevated white blood count) ESR (often elevated) Tissue biopsy (reveals inflammation in small arteries, called arteritis) Immunoglobulins (may be increased)

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