Polyarteritis nodosa

Our Polyarteritis nodosa Main Article provides a comprehensive look at the who, what, when and how of Polyarteritis nodosa

Polyarteritis nodosa: An autoimmune disease (immune system attacking its own body) characterized by spontaneous inflammation of the arteries (arteritis) of the body. Because arteries are involved, the disease can affect any organ of the body, most commonly muscles, joints, intestines, nerves, kidneys, and skin.