Autoimmune profile confirmed at the time of the diagnosis with myositis profile 3 Blot Strip (anti-Jo 1: 6/28, anti-PM/Scl-100: 1/28, anti-PM-scl-75: 3/28) was re-evaluated with line blot assay (Euroline Myositis Antigen Profile4) and we could detect 4 new autoantibody positivity (1 anti-Mi2, 1 anti-TIF1γ, 2 anti-NXP2). Here, TRIM33 is linked to myositis disease.