Wegener's granulomatosis
Medical term for a rare form of vasculitis. Now often called granulomatosis with polyangiitis (GPA) in English.
Wegener's granulomatosis is an autoimmune disease that causes inflammation of blood vessels.
Standard medical term in Japanese.
From German Wegener (Friedrich Wegener, who described the condition) + 肉芽腫症 (granulomatosis).