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A goitre, or goiter, is a swelling in the neck resulting from an enlarged thyroid gland. [ 1 ] [ 2 ] A goitre can be associated with a thyroid that is not functioning properly. Worldwide, over 90% of goitre cases are caused by iodine deficiency . [ 3 ]
Diffuse goiter may be seen with other causes of hyperthyroidism, although Graves' disease is the most common cause of diffuse goiter. A large goiter will be visible to the naked eye, but a small one (mild enlargement of the gland) may be detectable only by physical examination.
A nodule or lobe of the thyroid is sometimes removed for biopsy or because of the presence of an autonomously functioning adenoma causing hyperthyroidism. A large majority of the thyroid may be removed (subtotal thyroidectomy) to treat the hyperthyroidism of Graves' disease, or to remove a goiter that is unsightly or impinges on vital structures.
A thyroidectomy is an operation that involves the surgical removal of all or part of the thyroid gland. In general surgery, endocrine or head and neck surgeons often perform a thyroidectomy when a patient has thyroid cancer or some other condition of the thyroid gland (such as hyperthyroidism) or goiter. Other indications for surgery include ...
Pericardiectomy is the partial or complete removal of the pericardial sac around the heart. Pharyngectomy is the removal of the pharynx (also called the throat). Pharyngolaryngoesophagectomy is the surgical removal of the pharynx , larynx and esophagus , usually as a result of cancer of the hypopharynx .
Cardiologist Michael J. Severino called DiLillo right away and told him that a big mass was pressing into his heart and causing the symptoms, and he needed to go into the emergency room for more ...
Laser ablation of thyroid nodules is a minimally invasive procedure indicated to treat benign thyroid lesions [1] such as cold nodules or single nodules within a multinodular goiter. The technique consists in the destruction of the tissue by the insertion therein of optical fibers which convey the light energy, causing a complete and not ...
The heart of a blue whale, which can weigh in excess of 1,300 lbs (590 kg) and is the size of a small car. The gigantic heart beats 8 to 10 times per minute and each heartbeat can be heard from ...