Contact us at (800) USC-CARE (800-872-2273)


Hyperthyroidism and Graves’ disease

Hyperthyroidism (overactive thyroid) occurs when the body produces too much of the thyroid hormone, thyroxine. Causes of hyperthyroidism include Graves’ disease or nodules in the thyroid gland. Graves’ disease is an autoimmune disorder, wherein your own body’s immune system makes an antibody that causes the thyroid to produce too much hormone, resulting in hyperthyroidism. Excess ... Read More »

Read More »

UES Dysfunction

UES dysfunction occurs when the upper esophageal segment (UES) — the muscular segment separating the throat from the esophagus — is either open or too loose, which allows food to back up into the throat from the esophagus, or too tight, which prevents food from moving from the throat to the stomach.

Read More »

Esophageal Dysmotility

Esophageal dysmotility is when there is a problem with moving food through the esophagus from throat to stomach. The esophagus is the muscular tube leading from the throat to the stomach. Normally, contractions move food from the throat to the stomach through the esophagus.

Read More »


Diverticulum is a weakness in the wall of the esophagus (food tube leading to the stomach) that results in the development of a pouch that can trap food and cause pain and discomfort when swallowing.

Read More »


Dysphagia is the term for trouble swallowing. Dysphagia in adults may be caused by tumors, gastroesophageal reflux disease or conditions that cause the throat or esophagus to narrow or weaken.

Read More »

Vocal Cord Polyps

Vocal cord polyps are lesions on the vocal cord usually caused by vocal overuse or a chronic irritant. Vocal cord polyps may require surgery but are often treated with voice therapy. Vocal Cord Polyps  

Read More »

Vocal Cord Paralysis

Vocal cord paralysis is caused by injury to one or both of the nerves attached to the vocal cords. Paralysis is the interruption of nerve signals resulting in no movement of the affected vocal cord(s).

Read More »

Vocal Cord Nodules

Vocal cord nodules are lesions of the vocal cords caused by voice overuse. Vocal cord nodules are treatable with voice therapy in most cases. Vocal Cord Nodules

Read More »

Vocal Cord Cysts

Vocal cord cysts are fluid-filled lesions within the vocal cords. They are often caused by high vocal demand and may require surgery and voice therapy for relief. Vocal Cord Cysts

Read More »

Keck Medicine of USC is the University of Southern California’s medical enterprise, one of only two university-owned academic medical centers in the Los Angeles area.