Some interesting abstracts at #EULAR2021 today on monitoring GCA with: - ultrasound OP0055 https://t.co/0fqLIK5IPV - PET/CT OP0069 https://t.co/WQl9VaHR9E OP0064 https://t.co/w7biFT6qy0 What do you believe is the most accurate measure of true disease activity in GCA? @RheumNow