phonation

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Polyp of a Vocal Cord

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Usually a vocal fold polyp is a unilateral mass/swelling which protrude over the surface of the true vocal fold. It can be sessile (broad-based) or pedunculated (attached to a stalk). It can be caused...

A Mass on The Vocal Cord

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In this video we can see a whitish and granular right vocal fold mass. It caused dysphonia and also compensatory false vocal fold adduction upon phonation.

The View of True Vocal Folds Vibrations Through...

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In this video we can see the view of a true vocal folds adduction and its free edge vibrations. It is possible to see this through T-tube in a patient who had it performed for subglottic stenosis. To...

Laryngeal Inlet Obstruction caused by Retropharyngeal...

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In this video we can see a malignant tumour arising from the retropharyngeal space. It caused laryngeal inlet obstruction and stridor, especially when the patient is laying down in supine position or...

Thickened posterior commisure with limited left...

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In this video we can see a thickened posterior commisure with a limited left vocal fold mobility upon the phonation. An arytenoid oedema is obvious.

Overriding Tip of the Right Arytenoid

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In this video we can see a slight overriding tip of the right arytenoid complex upon the phonation. We can see that the laryngeal innervations and cricorytenoid joints are normal. This is a normal and...

Montgomery T-Tube

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In this video we can see the endoscopic examination of the trachea and the larynx. The patient has inserted the indwelling T-tube because of tracheal stenosis. Due to the position of the upper end of...

Laryngeal Tremors

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Phonatory disturbance is potentially caused by involuntary, abnormal movements ot larynx. The lack of neuromuscular coordination affects structures of pharynx and larynx and as a result the voice is interrupted...

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