We've been asking what happens intravascularly in GCA pts on TCZ. Five GCA pts with aortic complications on TCZ doesn't answer it, but just a reminder: TCZ is steroid-sparing, not disease-modifying. Don't take your eyes off the road! @KantonsspitalSG #ACR19 ABST2666 @RheumNow https://t.co/G9JM4QLXSH