Sjögren Syndrome is an autoimmune disorder presenting as Sicca syndrome (dry-eye, dry mouth) and most often multiorgan involvement with various clinical manifestations. The diagnostic criteria defined by the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR) include biologic, histologic parameters and functional measurements. Part of this workup can be performed by the ENT specialist. It encompasses minor salivary gland biopsy, sialometry, Schirmer lacrymal test and major salivary gland ultrasound. These tests and their performances are described. The growing importance of major salivary gland ultrasound as a follow-up and diagnostic tool is also discussed in this article.
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