Gray-Scale Ultrasonography in the Evaluation of Neoplastic Invasion of the Base of the Tongue

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Abstract
Patients with primary carcioma of the base of the tongue or direct invasion from contiguous areas were examined clinically and with ultrasound, and in some cases with computed tomography (CT), xerography and polytomography. In all cases, multiple biopsy specimens were obtained. Ultrasonography was better than the other imaging methods in delineating disease extent in the tongue itself, while CT and tomography were more useful in evaluating the retropharyngeal and lateral pharyngeal regions. Ultrasound should apparently be used in the initial evaluation of such patients.

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