PMR bursas are filled with macrophage subtypes esp CD68+, expressing IL-6 & GM-CSF. PMR is now far from just a vibe - real science, real targets for therapy. Not every day that PMR basic science makes it on stage, lovely from @VasculitisUMCG @jiemy_william #EULAR2022 @RheumNow https://t.co/zem3JEosQL