Clinical Pearls and Myths in Vasculitis
Clinical Pearls and Myths in Vasculitis
Clinical Pearls and Myths in Vasculitis
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Polyarteritis Nodosa: MythEven among patients with symptomatic neuropathy <strong>and</strong>abnormal electromyograms (EMGs), the yield of a suralnerve biopsy was only 45%When systemic vasculitis is suspected, a negative suralnerve biopsy does not exclude the diagnosis (even <strong>in</strong> asymptomatic patient).If nerve conduction velocity (NCV) studies show apattern consistent with mononeuritis multiplex<strong>and</strong> the patient has other cl<strong>in</strong>ical features compatible withvasculitis, that is probably the correct diagnosis.