Does TCZ switch off GCA histopathologically? GCA pts still on TCZ (median 2.4y duration) had repeat temporal artery biopsy (contralat) Despite serological remission on TCZ, a heap had active histopath findings & PET still active. Scary #EULAR2024 OP0233 Reggio Emilia @RheumNow https://t.co/TKBUP5p4R0