Goitre radioactive iodine

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Radioactive iodine

There is now an alternative to surgery in large goitres. Radioiodine therapy with or without the pre-injection of a synthetic thyroid stimulating hormone, TSH, can relieve obstruction and reduce the size of the goitre by 30-65%. But removal of a goitre requires removing the thyroid. The complete removal of the thyroid gland removes the body's ability to produce thyroid hormone. In this case, oral thyroxine supplements are necessary to avoid harm from hypothyroidism.