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Subacute lymphocytic thyroiditis: Wikis

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Subacute lymphocytic thyroiditis is a form of thyroiditis that is also known as silent thyroiditis or painless thyroiditis.[1][2]

Contents

Symptoms

Subacute lymphocytic thyroiditis features a small goiter without tenderness. This condition tends to have a phase of hyperthyroidism followed by a return to a euthyroid state, and then a phase of hypothyroidism, followed again by a return to the euthyroid state. The time span of each phase can vary; however, each phase usually lasts 2-3 months.[1]

Diagnosis

Subacute lymphocytic thyroiditis can only be diagnosed correctly by taking a radioactive iodine uptake test, or RAIU test.[1][3]

During the hyperthyroid phase, iodine uptake is suppressed, while during the hypothyroid phase, uptake is increased.[4]

This situation contrasts greatly with the elevated iodine uptake found in patients with Graves' disease.[1]

Treatment

Treatment is based on symptoms. Beta-blockers relieve rapid heart rate and excessive sweating during the hyperthyroid phase.[4]

References

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