Fig. 1From: Salivary gland ultrasonography: a highly specific tool for the early diagnosis of primary Sjögren’s syndromeParenchymal inhomogeneity in the submandibular glands demonstrated by ultrasonography. a Normal submandibular gland (grade 0). b Submandibular gland with evident inhomogeneity (grade 2). c, d Submandibular glands with gross inhomogeneity (grade 3)Back to article page