Either group of patients: levels of IgG, IgA, IgM, and 2-microglobulin did not change.Patients with MALT/primary SS: No changes in T-cell subsetsAll patients (>0.05): whole saliva, stimulated submandibular/sublingual salivary secretion.Schirmer’s test.Patients with MALT/primary SS: rose bengal, BUT, MFI, SF-36 PF, V, HC (>0.05). Here, CD40LG is linked to synovial sarcoma.