Goiter

Definition

A goiter is an abnormal enlargement of the thyroid gland. It can result from iodine deficiency, autoimmune diseases, or other thyroid disorders.

5 Must Know Facts For Your Next Test

1. Goiters can be associated with both hypothyroidism and hyperthyroidism.
2. Iodine supplementation is a common treatment for goiters caused by iodine deficiency.
3. Thyroid function tests, such as TSH, T3, and T4 levels, are used to diagnose the underlying cause of a goiter.
4. Autoimmune conditions like Hashimoto's thyroiditis and Graves' disease can lead to the development of a goiter.
5. Surgical removal of the thyroid gland (thyroidectomy) may be necessary if a goiter causes compressive symptoms or is suspicious for cancer.

Review Questions

• What are the common causes of goiter?
• How is a goiter diagnosed in patients?
• What treatment options are available for managing a goiter?

Related terms

Hypothyroidism:

A condition where the thyroid gland does not produce enough thyroid hormones.

Hyperthyroidism:

A condition characterized by excessive production of thyroid hormones by the thyroid gland.

Thyroidectomy:

Surgical removal of all or part of the thyroid gland.