Toxic nodular goiter

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Thyroid enlargement - scintiscan

Thyroid gland

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.

Review Date: 05/10/2010
Reviewed By: Ari S. Eckman, MD, Division of Endocrinology and Metabolism, Johns Hopkins School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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