PMID: 2512096May 1, 1989Paper

The value of sialography in the differential diagnosis of parotid masses

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology
G Yu

Abstract

Sialographic manifestations of 82 patients with parotid masses were studied to determine the value of sialography in the differential diagnosis. Multiple filling defects indicate metastatic tumor, tuberculosis and sarcoidosis. The occurrence of calcification suggests tuberculosis or sarcoidosis. The parotid cyst may show the sialographic appearance similar to that of adenolymphoma. The appearance of adenitis of parotid lymph nodes may be similar to that of malignant tumor when the inflammation extends into the parenchyma. Sometimes the appearance of eosinophilic lymphatic granuloma may be similar to that of malignant tumor, but the former is more extensive. The displacement of entire gland suggests extrinsic lesion. Although the displacement of branch ducts may occur in the hypertrophy of parotid, there is no defect in acinar filling. At times it is not easy to differentiate the parotid masses by sialography alone Case histories, results of laboratory and other examines, such as gray scale ultrasound, should be combined to improve the diagnosis.

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