Wegener’s granulomatosis (WG) is a rare disease that causes the walls of blood vessels to become inflamed, a condition called vasculitis. This limits blood flow to tissues and can affect any organ. The outlook is good with proper treatment, but without it, WG is fatal.

Damage to Kidney Due to Decreased Blood Flow
Kidney damage
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WG is a type of autoimmune disease. This means the body’s immune system attacks its own tissues. The cause is unknown.