A report on Hoarse voice and Vocal cord paresis

The vocal folds (or vocal cords) in the larynx vibrate to produce sound. When this process is disturbed hoarseness may ensue.
vocal cord positions regarding paralyses
The vocal folds (or vocal cords) in the larynx vibrate to produce sound. When this process is disturbed hoarseness may ensue.

A unilateral injury of the nerve typically results in hoarseness caused by a reduced mobility of one of the vocal folds.

- Vocal cord paresis

The most common laryngeal diagnoses among the elderly are polyps, laryngopharyngeal reflux, muscle tension dysphonia, vocal fold paresis or paralysis, vocal fold mass, glottic insufficiency, malignant lesions, and neurologic conditions affecting the larynx.

- Hoarse voice
The vocal folds (or vocal cords) in the larynx vibrate to produce sound. When this process is disturbed hoarseness may ensue.

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Overall
Anatomy of the larynx, anterolateral view

Larynx

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Organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration.

Organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration.

Anatomy of the larynx, anterolateral view
Sagittal section of the larynx and upper part of the trachea.
The basic parts of the human larynx.
Vocal cords abducted and adducted
Extrinsic laryngeal muscles
Image of endoscopy
Endoscopic image of an inflamed human larynx
Larynx. Deep dissection. Anterior view.
Larynx. Deep dissection. Posterior view.

Injury to one of the recurrent laryngeal nerves produces hoarseness, if both are damaged the voice may or may not be preserved, but breathing becomes difficult.

Vocal cord paresis is weakness of one or both vocal cords that can greatly impact daily life.