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Toxic nodular goiter involves an enlarged thyroid gland that contains a small rounded growth or growths called nodules. These nodules produce too much thyroid hormone.
Toxic multinodular goiter; Plummer's disease
Toxic nodular goiter arises from an existing simple goiter. It occurs most often in the elderly. Risk factors include being female and over 60 years old. This disorder is never seen in children.
Sometimes patients with toxic multinodular goiter will develop high thyroid levels for the first time after they receive a large amount of iodine through a vein (intravenously). The iodine may be contrast for a CT scan or heart catheterization.
Other test results:
Beta blockers (propranolol) can control some of the symptoms of hyperthyroidism until thyroid hormone levels in the body are under control.
Because toxic nodular goiter is mainly a disease of the elderly, other chronic health problems may influence the outcome of this condition. The elderly person may be less able to tolerate the effect of hyperthyroidism on the heart.
Immediate hospitalization is necessary.
Complications of having a very large goiter may include difficulty breathing. This is due to pressure on the airway passage that lies behind the thyroid.
Call your health care provider if you have symptoms of this disorder. Follow the health care provider's recommendations for follow-up visits.
To prevent toxic nodular goiter, treat hyperthyroidism and simple goiter as your health care provider recommends.
Ladenson P, Kim M. Thyroid. In: Goldman L and Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders; 2007:chap 244.
Davies TF, Larsen PR. Thyrotoxicosis. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, Pa: Saunders Elsevier;2008:chap 11.