What Are The Types Of Thyroiditis?

Radiation-Induced Thyroiditis

Radiation-induced thyroiditis is a form of thyroiditis caused by previous treatment with radiation therapy or radioactive iodine. Individuals treated with radioiodine therapy for hypothyroidism can develop radiation-induced thyroiditis as an adverse side effect. Lymphoma patients treated with the use of neck and head radiation therapy are also at risk for developing radiation-induced thyroiditis. Symptoms of radiation-induced thyroiditis typically manifest between one and two weeks following the patient's radiation therapy or reactive iodine treatment. Much like other forms of thyroiditis, damage to thyroid tissue causes the patient to feel pain and tenderness in the neck. Symptoms of hyperthyroidism may manifest as the thyroid hormones are released into the bloodstream as a result of thyroid tissue damage. Radiation-induced thyroiditis usually resolves with the proper treatment in a patient within six to eighteen weeks.

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