Vocal Cord Lesions (Nodules, Polyps, and Cysts)

02 Mar 2019

Vocal cord lesions are benign growths. They can include nodules, polyps, and cysts. Vocal trauma or overuse is associated with vocal cord lesions. Vocal cord lesions, also known as vocal fold lesions, are benign (noncancerous) growths that include nodules, polyps, and cysts. All can cause hoarseness and are typically associated with vocal overuse or vocal cord trauma. Vocal cord nodules, sometimes called singer’s nodules or nodes, result from repetitive overuse or misuse of the voice. These callous-like growths develop in the midpoint of the vocal folds. Vocal cord nodules look like calluses under the microscope and are occasionally associated with abnormal blood vessels. Women between the ages of 20 and 50 years old are more prone to vocal cord nodules, but both men and women can be affected. Vocal cord polyps are different from nodules because they can occur on either one or both vocal cords. They tend to be more vascularized than nodules, meaning they have more blood vessels and appear reddish in color. These growths can vary in size and shape, but are usually larger than nodules and resemble blisters. Like vocal cord nodules, polyps can be caused by overuse or misuse of the voice, but can also be caused by a single episode of vocal abuse (such as yelling at a sports event). Another type of vocal cord polyp, polypoid corditis (Reinke’s edema), is associated almost exclusively with smoking. Both vocal cord nodules and polyps can be caused by different forms of trauma, including singing (particularly in professional singers), screaming, cheerleading, and excessive talking (such as that by a teacher, coach, salesperson or radio personality). Other causes include extra muscle tension when speaking, smoking, alcohol use, sinusitis, allergies, and rarely, hypothyroidism. Vocal cord cysts are growths that have a sac around a fluid-filled or semisolid center. These are less common than vocal cord nodules and polyps. There are 2 types of vocal cord cysts, mucus retention cysts and epidermoid (or sebaceous) cysts. Vocal cord lesions also can be caused by using the voice while one is sick with an upper respiratory infection.

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