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Sonographic anatomy of the larynx, with particular reference to the vocal cords.
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1987
Year
Vocal CordsMedical UltrasoundOtorhinolaryngologyElectroglottographyThoracic UltrasoundAnatomyVoice SurgeryGross AnatomyVocal Systems AnatomyLaryngectomyVocal Tract ImagingLaryngologyPhoneticsSonographic AnatomySonographic ImagesRadiologyHealth SciencesThyroid CartilageMedical ImagingArtsMorphologyLarynxUltrasoundParticular ReferenceHealthy Human SubjectsVocal Fold PathologySpeech Perception
The thyroid cartilage serves as the acoustic window for sonographic visualization of the vocal cords. Sonographic images of the vocal cords were acquired in 41 healthy subjects with a phased‑array real‑time ultrasound scanner. The false vocal cords appear hyperechoic, the true vocal cords hypoechoic, and their symmetrical movement during respiration is readily visualized, indicating sonography’s potential utility.
Sonographic images of the vocal cords were obtained in 41 healthy human subjects using a phased array realtime ultrasound scanner. The thyroid cartilage provides the acoustic window for sonographic visualization of the vocal cords. The false vocal cords appear as hyperechoic structures, while the true vocal cords are seen as hypoechoic structures. The symmetry of movement of the vocal cords during respiration becomes apparent on examination in real time. Sonography may prove to be a potentially useful technique for the examination of the vocal cords.