1. Examining function of salivary and lacrimal gland or sialography as well as lower lip biopsy is necessary for the diagnosis.

2. Objective To investigate the value of parotid sialography in the diagnosis of parotid diseases.

3. In our country, the conventional parotid sialography is still considered as the first imaging examination in diagnosing SS.

4. MR sialography is the best imaging test if Sjogren's syndrome is suspected because of its ability to accurately stage the severity of the disease.

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5. Objective To study the value of parotid sialography and intervention in the diagnosis and treatment of chronic pyogenic parotitis .

6. Materials and Methods: Parotid sialography was performed in 87 patients with SS. The abnormal changes of parotid duct were analysed.

7. PURPOSE : To evaluate the diagnostic value of magnetic resonance sialography ( MRS ) for chronic obstructive parotitis ( COP ).

8. Objective To choice the best radiofrequency coil of 3D MR sialography on a Philips 1.

9. Objective: To analyse the features, characteristics and clinical value of MR imaging in parotid sialography in patients with Sj?gren's syndrome.

10. Objective: To evaluate the value of direct digital panoramic sialography.

11. Objective: To analyse the features, characteristics and clinical value of MR imaging in parotid sialography in patients with Sjogren s syndrome.