Differential Radiodiagnosis of Salivary Gland Masses
The aim of the investigation was to evaluate the possibilities of radiological methods in differential diagnostics of salivary gland masses.
Materials and Methods. 76 patients with tumors and tumor-like salivary gland masses were examined. We analyzed the findings of their physical examination, and performed operative interventions compared to the data of histological verification, multiplanar reconstruction sialography and ultrasound investigation.
Results. At clinical examination the symptoms were non-specific. 97.5% of patients presented with a constant mass in the affected salivary gland. In 14.5% of patients the mass grew during the last 3–4 months; and in 2.5% of patients it was an incidental finding and had no manifestations. The mostly involved glands (96% of cases) were parotid and submaxillary salivary glands. Tumor-like masses were found in 16 patients (21%), benign tumors — in 57 (75.0%), malignancies and locally destructive tumors — in 3 (4.0%).
Conclusion. High resolution ultrasound is the primary diagnostic technique of neoplastic masses of major salivary glands, and allows a reliable evaluation of the mass localization, shape, size, structure, borders, and vascularisation. Multiplanar reconstruction sialography enables to assess more precisely anatomical localisation of tumors and tumor-like masses of salivary glands with duct system, adjacent bone and soft tissue structures.
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