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  • Title: Comparison of parotid and minor salivary gland biopsy specimens in the diagnosis of Sjögren's syndrome.
    Author: Wise CM, Agudelo CA, Semble EL, Stump TE, Woodruff RD.
    Journal: Arthritis Rheum; 1988 May; 31(5):662-6. PubMed ID: 3377870.
    Abstract:
    We conducted a prospective study comparing minor salivary gland and parotid gland biopsy specimens obtained simultaneously from 24 patients who were undergoing evaluation for primary Sjögren's syndrome (SS). Adequate tissue for study was obtained with all minor salivary gland biopsies and 19 of 24 parotid gland biopsies. Parotid inflammation was seen in 6 of 11 patients whose minor salivary gland biopsy results indicated SS, but in none of 8 patients who had normal findings on minor salivary gland biopsy. Patients with parotid inflammation were older and had a higher frequency of dry eyes and mouth, abnormal results on Schirmer's test, serious extraglandular involvement, and serologic abnormalities. We conclude that parotid gland biopsy adds very little to the minor salivary gland biopsy in the diagnosis of primary SS, but that parotid inflammatory changes may reflect disease duration and/or severity.
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