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Last updated Monday, December 27, 2004
Basics of polyarteritis
Polyarteritis nodosa (PAN) and Wegener's granulomatosis vascular (vessel) diseases cause severe inflammation of the blood vessel walls, a condition called vasculitis.
The symptoms of vasculitis can vary from one person to another, depending on which vessels are inflamed. Vessels throughout the body often are affected, and the symptoms are numerous.
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