What is the difference between a thyroid nodule and a goiter?

A thyroid nodule and a goiter are two different things. A thyroid nodule is a small lump on the thyroid gland that may be normal or abnormal. Sometimes, a thyroid nodule can be a cancerous or precancerous lump. Goiter is when the entire thyroid gland is swollen. This is not usually associated with cancer but can be associated with different thyroid diseases.

A thyroid nodule is a growth within the thyroid gland. Thyroid nodules are extremely common, and nodules large enough to be felt can be seen in 5 to 10% of women and 1 to 5% of men. A goiter is an enlargement of the thyroid gland and may be due to general enlargement of the gland or enlargement due to the presence of multiple nodules.

For more information go the endocrinediseases.org:

Thyroid gland: thyroid nodule

Benign non-toxic multinodular goiter

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