Association of Xerostomia and Ultrasonographic Features of the Major Salivary Glands After Radioactive Iodine Ablation for Papillary Thyroid Carcinoma
- Authors
- Roh, Sang Soo; Kim, Dong Wook; Baek, Hye Jin
- Issue Date
- Nov-2016
- Publisher
- AMER ROENTGEN RAY SOC
- Keywords
- major salivary glands; papillary thyroid carcinoma; radioactive iodine ablation; ultrasonography; xerostomia
- Citation
- AMERICAN JOURNAL OF ROENTGENOLOGY, v.207, no.5, pp.1077 - 1081
- Indexed
- SCIE
SCOPUS
- Journal Title
- AMERICAN JOURNAL OF ROENTGENOLOGY
- Volume
- 207
- Number
- 5
- Start Page
- 1077
- End Page
- 1081
- URI
- https://scholarworks.bwise.kr/gnu/handle/sw.gnu/15166
- DOI
- 10.2214/AJR.15.15776
- ISSN
- 0361-803X
- Abstract
- OBJECTIVE. The objective of this study is to evaluate the association between xerostomia and sonographic features of the major salivary glands after patients undergo radioactive iodine ablation (RIA) for papillary thyroid carcinoma (PTC). MATERIALS AND METHODS. The study included 256 consecutive patients who underwent total thyroidectomy, RIA, and neck ultrasound examinations. Changes in the ultrasound features of the parotid and submandibular glands after RIA were evaluated retrospectively by a single radiologist, on the basis of direct comparison of sonograms obtained before and after RIA. Clinical data, including the presence of xerostomia, were investigated retrospectively by the same radiologist via a review of the electronic medical records. RESULTS. For 111 of the 256 patients (43.4%), ultrasound examination revealed changes in the major salivary glands after RIA. The presence of xerostomia was undetermined in 85 of the 256 patients. Among the remaining 171 patients, the frequency of xerostomia was 36.8% (63/171). When patients with xerostomia were compared with those without xerostomia, no statistically significant differences in patient sex and age, the dose of RIA received, or the number of RIA sessions were noted (p > 0.05). Considering the changes in the ultrasound features of the major salivary glands after RIA, no statistically significant association was found between xerostomia and the number of involved major salivary glands or the presence of an involved submandibular gland (p > 0.05). CONCLUSION. In this study, ultrasound was unhelpful for evaluating xerostomia after RIA in patients with PTC.
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