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  • Title: Sialendoscopy for Patients with Radioiodine-Induced Sialadenitis and Xerostomia.
    Author: Bhayani MK, Acharya V, Kongkiatkamon S, Farah S, Roberts DB, Sterba J, Chambers MS, Lai SY.
    Journal: Thyroid; 2015 Jul; 25(7):834-8. PubMed ID: 25860842.
    Abstract:
    BACKGROUND: We examined outcomes in patients treated for radioactive iodine-induced sialadenitis (RAIS) and xerostomia with sialendoscopy. METHODS: Data was prospectively collected for all patients undergoing sialendoscopy for RAIS from a single institution. Interventional details and intraoperative findings were recorded. Qualitative data were obtained through patient examination, telephone interviews, and use of a standard quality of life questionnaire, Xerostomia Questionnaire. Quantitative data were obtained from patients who underwent sialometry. RESULTS: Twenty-six patients (24 women and 2 men; median age, 43 years; age range, 19-57 years) underwent interventional sialendoscopy after conservative management of symptoms proved unsuccessful. Sialadenitis was present in 25 patients and xerostomia in 22 patients. Mucus plugging in the duct of the gland was the most common finding (22 patients) followed by stenosis (18 patients), inflammation (eight patients), and erythema (eight patients). Median follow-up time was 23.4±12.1 months. Sixteen patients (64%) reported complete resolution; seven (28%), partial resolution; one (4%), no change in symptoms; and one (4%), regression in RAIS-related symptoms. Patients subjectively noted the following regarding their xerostomia symptoms: seven (31.8%) had complete resolution; 10 (45.5%), partial resolution; four (18.2%), no change; and one (4.5%), regression. Statistical analysis of the available sialometry data revealed a statistically significant difference in saliva production at 6 months following sialendoscopy for unstimulated saliva production (p=0.028). CONCLUSION: Sialendoscopy is an effective treatment option for the management of RAIS and xerostomia refractory to conservative therapy and medical management. Patients in our cohort report durable improvement in symptoms after intervention.
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