Diagnosis of salivary gland disease using ultrasound and sialography: a comparison

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Abstract
Thirty-one patients with a suspected inflammatory or neoplastic lesion of a major salivary gland were investigated with ultrasound, and in 27 of them sialography was carried out in addition. The results of the diagnostic procedures were compared. Lesions of the gland parenchyma and intra and extra-glandular duct ectasia were demonstrated by ultrasound. Salivary stones were demonstrated by this method and ultrasound allowed assessment of periglandular structures. Sialography is indispensable for detailed assessment of the salivary ducts. The present report shows that ultrasound is superior to sialography in the assessment of salivary gland disease. The investigation is non-invasive, cheap, and requires neither contrast nor radiation and can be repeated at will for follow-up.

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