Abstract
Polyarteritis nodosa (PAN) is a necrotizing vasculitis of the medium-sized arteries. The symptoms and signs of PAN include purpuric skin lesions, mononeuritis multiplex, symptoms of mesenteric ischemia, and renal involvement. We report the first case of PAN manifesting as a neuropathy after influenza infection in Korea. A 68-year-old woman had fever, myalgia, hyperesthesia of both hand and foot, and lower extremity weakness. EMG findings showed severe sensorimotor polyneuropathy, such as multiple mononeuritis. A sural nerve biopsy showed vasculitis and Influenza A (H1N1) were positive. Our patient was treated by glucocorticoid and oral cyclophosphamide, thereafter, symptoms and signs improved. No recurrence has been observed for five months.
Figures and Tables
Figure 1
Chest images (A) Chest x-ray is normal without nodule or infiltration, (B) Chest CT shows normal lung and mediastinal structures.
![jrd-19-163-g001](/upload/SynapseData/ArticleImage/1010jrd/jrd-19-163-g001.jpg)
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