Sousa et al. Anti-Ku disease. Cluster analysis (Ku alone, Ku with other abs) asking is is a distinct entity. In isolated anti-Ku+ maybe so, characterised by Raynauds (41%), arthritis (26%), sicca (26%), myositis (15%), ILD (15%) @RheumNow #EULAR2022 POS0861 https://t.co/IboWzMYFMB