CHICAGO—Warren Piette, MD, professor of dermatology at Rush University Medical Center, Chicago, updated rheumatologists on the topic of cutaneous vasculitis at the ACR’s State-of-the-Art Clinical Symposium in April. He began by explaining that the current vasculitis criteria developed by the ACR in 1990 and the Chapel Hill Consensus Conference (CHCC) in 1994 are inadequate to incorporate…