Takeaways from #ACR23 #ReviewCourse session on Update on Relapsing Polychondritis - Dr. Marcela Ferrada 1. Be aware of common/uncommon manifestations (see slide). Affects more than just the ear!!! 2. Collagen II antibodies: not really sensitive or specific for diagnosis. Biopsy… https://t.co/f5xGtcMzk3 https://t.co/xVigSabXDb