Salivary gland ultrasonography is identified as a valuable diagnostic tool and potential criteria item for disease classification of sjögren's syndrome and evaluate evolution of parenchyma.

The investigators have to include 242 patients. The objective is to evaluate the modification of ultrasonographic abnormalities according to disease in primary Sjögren syndrome.

Inclusion Criteria:

• Male or female patient ≥ 18 years
• Primary sjögren syndrome according of age to 2002 or 2016 classification criteria

Exclusion Criteria:

• Secondary sjögren syndrome

Patients with Primary sjögren syndrome

All collected data that underlie results in a publication

Data will be available beginning one year and ending two years following the publication

Data access requests will be reviewed by the internal committee of Brest UH. Requestors will be required to sign and complete a data access agreement.