🌟IgG4RD: Lessons from the first 20 years🌟by Prof John Stone ⭐️Lesson 1- IgG4RD is a variable vessel vasculitis ✨Can cause small vessel vasculitis of the skin ✨One of few vasculitis causing coronary arteritis in adults ⭐️Lesson 2- IgG4RD is more common and severe in males… https://t.co/PvFXyOl5bp https://t.co/hAMelBoZvB