Acoustic Research

Findings in acoustic research reported from University of California, National Institutes of Health

Published in Medical Imaging Law Weekly, November 27th, 2007

According to a study from the United States, "Recently, endolaryngeal sonography at frequencies ranging from 10 to 30 MHz has been found to be useful in diagnosing diseases of the vocal folds (VFs). However, image resolution can be further improved by ultrasound at higher frequencies, necessitating the measurement of high-frequency acoustic properties of VF tissue."

"The ultrasonic parameters of integrated backscatter, sound velocity, and frequency-dependent attenuation coefficient were measured in both the lamina propria (LP) and vocalis muscle (VM) of human VFs using a 47 MHz high-frequency ultrasonic transducer. The inte-rated backscatter was -173.44 +/- 6.14 (mean...

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Source: Medical Imaging Law Weekly (2007-11-27)

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