BTG3 and synovial sarcoma: The identification of SS usually is scored by the extent of salivary hypofunction, the degree of immune infiltration, evidence of damage to minor salivary glands observed following biopsy, and the presence of autoantibodies, such as anti-SSA (Ro) and Anti-SSB (La) and anti-nuclear antibody (ANA) which are classically found in SS (Mavragani and Basiaga, 2014; Brito-Zerón et al., 2016; Jonsson et al., 2018).