Noninvasive assessment of laryngeal phonation function using color Doppler ultrasound imaging
Resource
ULTRASOUND IN MEDICINE & BIOLOGY v.27 n.8 pp.1035-1040
Journal
ULTRASOUND IN MEDICINE & BIOLOGY
Journal Volume
v.27
Journal Issue
n.8
Pages
1035-1040
Date Issued
2001-08
Date
2001-08
Abstract
Color Doppler imaging (CDI) was used to identify the morphology of vocal folds (VF) and to quantify the tissue horizontal displacement velocity (HDV) in the vibrating portion of VF. Mucosal HDV that gives an estimate of the stiffness of the VF cover is very important clinically. The VF and its cover were shown to be very hypoechoic and not adequately visible in B-scan image. However, in this study, we found that the structure of the true VF, especially the mucosa and the superficial layer of the lamina propria, the so-called “cover,” can be easily identified and evaluated using CDI. The mean VF displacement velocity was measured by decoding the pseudocolor codes of the ultrasound (US) image at the vibrating sites. The mucosal mean HDV obtained from 10 normal men of age 34 ± 8 years phonating at their most comfortable pitch and intensity (98 ± 12 Hz, 55–65 dB) was about 68 ± 10 cm/s, which agreed reasonably with the literature. Therefore, the CDI could be used as a potential tool for assessing the phonation function in the larynx nonintrusively.
Subjects
Color Doppler ultrasound image
Vocal fold
Phonation function
Mucosal displacement velocity
SDGs
Other Subjects
Biomedical engineering; Noninvasive medical procedures; Speech recognition; Vibrating sites; Ultrasonic imaging; adult; article; color ultrasound flowmetry; diagnostic imaging; human; human experiment; larynx; male; morphology; normal human; phonation; pitch; priority journal; technique; ultrasound; vocal cord; voice; vowel; Adult; Female; Humans; Larynx; Male; Phonation; Ultrasonography, Doppler, Color; Vocal Cords
Type
journal article
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