Examples of thyroid disorders that give rise to hyperthyroidism include diffuse goitre (Graves disease), toxic multinodular goitre (Plummer disease), and thyroid inflammation (thyroiditis).
Thyroid uptake of radioiodine may be measured to distinguish thyroiditis or excess thyroid hormone administration, in which the thyroid uptake is low, from other causes of hyperthyroidism, in which the thyroid uptake is high.
According to Dr. Daniel Branovan, the director of the Thyroid Center at the New York Eye and Ear Infirmary, another less common reason for a rise in thyroid levels is thyroiditis, or an inflammation of the thyroid.
More-common causes are one or multiple nodules in the thyroid (uninodular or multinodular goitre), infiltration of the thyroid by lymphocytes or other inflammatory cells (thyroiditis), or stimulation of thyroid growth (and function) by antibodies that activate the thyroid in the same way as does thyrotropin, as occurs in the disorder called Graves disease.
The question raised but not fully addressed here is whether patients with Hashimoto's thyroiditis and normal thyroid function should be treated.
"That said, my friends still think I have way more stamina than them when we go kitesurfing!" Mr. Page also said that in 2003 he learned that he had Hashimoto's thyroiditis, an inflammatory thyroid condition that he said had caused him no problems.
A major cause of acquired primary hypothyroidism is chronic autoimmune thyroiditis (inflammation of the thyroid).
There may also be enlargement of the spleen, diminution in white blood cell numbers, Raynaud's phenomenon, vasculitis (inflammation of vessels) with chronic leg ulcers, a disease of the peripheral or trigeminal nerves, chronic (Hashimoto's) thyroiditis (inflammation of the thyroid), enlargement of the liver, and inflammation of the pancreas.
Another type, called subacute granulomatous thyroiditis, is characterized by thyroid pain and tenderness.
Finally, in July, she said she learned she had postpartum thyroiditis, an inflammation of the thyroid that about 7 percent of women experience within a year of giving birth.
He said doctors told him the diagnosis was a virus that led to inflammation of the thyroid, a condition also known as thyroiditis.
