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Toxic nodular goiter
Definition:
Toxic nodular goiter involves an enlarged thyroid gland that contains a small rounded mass or masses called nodules, which produce too much thyroid hormone. Alternative Names:
Toxic adenoma; Toxic multinodular goiter; Plummer's disease
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Causes, incidence, and risk factors:
Toxic nodular goiter arises from a long-standing simple goiter and occurs most often in the elderly. Symptoms are those of hyperthyroidism, but the protruding eyeballs seen in Graves' disease do not occur. Risk factors include being female and over 60 years old. This disorder is never seen in children.
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