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KMID : 0361020160590010041
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Korean Journal of Otolaryngology - Head and Neck Surgery
2016 Volume.59 No. 1 p.41 ~ p.48
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Usefulness of Magnetic Resonance Sialography for Diagnosis of Idiopathic Chronic Sialadenitis
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황준하:Hwang Jun-Ha
안호진:Ahn Ho-Jin/최정석:Choi Jeong-Seok/이하영:Lee Ha-Young/임재열:Lim Jae-Yol
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Abstract
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Background and Objectives: The symptoms of salivary diseasess are often nonspecific, and a variety of investigative methods can be employed. Conventional sialography, which is still widely used for diagnosis of salivary ductal pathologies, has the withdrawback of invasiveness and radiation exposure, and thus ultrasound and magnetic resonance (MR) sialography can replace the conventional tools. This study was performed to evaluate the usefulness of MR sialography for the diagnosis of idiopathic chronic sialadenitis.
Subjects and Method: From November 2013 to June 2014, we have retrospectively analyzed 26 patients who have had swelling and pain of salivary glands and undergone MR sialography for further diagnosis of the idiopathic salivary obstructive symptom. We analyzed the symptom scores, salivary flow rate (SFR) and parameters of salivary gland scintigraphy. Then we evaluated correlation among MR sialography findings (duct visualization, grade of stenosis at main duct, degree of sialectasis and glandular volume size).
Results: Among the 26 patients, stenosis of salivary duct was observed in 14 patients (53.8%), chronic sialadenitis without stenosis in 6 patients (23.1%), Sjogren's syndrome in 3 patients (11.5%), Juvenile reccutent parotitis in 1 patient (3.8%), and 2 patients were norma (7.7%). The degree of sialectasis was significantly correlated with Tmin (time interval, in minutes, from stimulation to minimum count), maximum secretion (p<0.05), and glandular volume size was also significantly correlated with unstimulated SFR (p<0.05). But others did not show any significant correlations. From these findings, we report three cases that were useful to diagnose the gland disease using MR sialography.
Conclusion: Resutls show that MR sialogarphy indirectly reflects the salivary gland function. Therefore MR sialography can be helpful when the differential diagnosis of idiopathic chronic sialadenitis is difficult with conventional tools.
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KEYWORD
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Magnetic resonance sialography, Salivary flow rate, Salivary gland scintigraphy, Sialadenitis
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