Analysis of the cell populations composing the mononuclear cell infiltrates in the labial minor salivary glands from patients with rheumatoid arthritis and sicca syndrome.

•Sicca symptoms in about 40% of rheumatoid arthritis patients (RA-sicca).•RA-sicca patients seem to differ clinically from RA patients without sicca symptoms.•Salivary gland infiltrates differ between RA-sicca and primary Sjögren’s patients.