Polyarteritis nodosa is a rare multi-system disorder characterized by widespread inflammation, weakening, and damage to small and medium-sized arteries. Blood vessels in any organ or organ system may be affected, including those supplying the kidneys, heart, intestine, nervous system, and/or skeletal muscles.

What does polyarteritis mean?

noun Pathology. inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.

Can polyarteritis nodosa be cured?

There is no cure for polyarteritis nodosa (PAN), but the disease and its symptoms can be managed. The goal of treatment is to prevent disease progression and further organ damage. The exact treatment depends on the severity in each person. While many people do well with treatment, relapses can occur.