✦ LIBER ✦

Ultrasonic patterns of parotid masses

✍ Scribed by Giovanni Ballerini; Maria Mantero; Michele Sbrocca

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 481 KB
Volume: 12
Category: Article
ISSN: 0091-2751
DOI: 10.1002/jcu.1870120508

No coin nor oath required. For personal study only.

✦ Synopsis

The aim of this study was to define sonographic patterns of expanding parotid lesions. Over a 2-year period, 39 parotid gland masses were examined. Grayscale sonography with a static scanner using high frequency transducers (5 and 7.5 MHz) provided refined visualization of the normal structure of the gland and the spaceoccupying mass. There are different sonographic patterns for different types of mass. Lesion malignancy should always be suspected when there is a clearly echogenic mass, especially one with an irregular distribution of the echoes, posterior attenuation, and rough margins (these sonographic features are of no value for lymphomas). All benign lesions have regular margins and are sonolucent a t normal gain settings. It is possible to obtain a characteristic sonographic pattern for each specific benign lesion by varying the gain. Indexing Words: Parotid tumor * Parotid masses -Ultrasound From the Departments of Radiology* and Otolaryngology,t

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