A 64-year-old woman was repeatedly hospitalized for various recurrent clinical signs of central nervous system involvement. The diagnosis of primary Sjögren's syndrome was established 3 years 6 months after the onset of the disease. Sicca symptoms, as well as inflammatory biological abnormalities were absent. Moreover, both lacrymal and salivary gland secretions were affected. A high level of antinuclear antibodies to SSA and SSB was associated with inflammatory lesions in minor salivary glands biopsy samples consistent with the diagnosis of Sjögren's syndrome.