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The presence of goitre indicates impaired function of the thyroid gland, so it is important to diagnose the cause of the goitre. The main tests are:
Blood tests. To determine whether the thyroid is functioning properly.
Cervical ultrasound. To measure the size of the thyroid and detect the presence of nodules. If the thyroid is diffusely enlarged and the blood test shows hyperthyroidism (increased thyroid hormones), this will be supplemented with autoimmunity tests to help diagnose the disease. If the thyroid secretes too little hormone (hypothyroidism) it is more likely to be Hashimoto's thyroiditis or a multinodular goitre.
Other tests such as a cervical fine needle aspiration (FNA) or a cervical scan with radioactive iodine may be necessary to complete the diagnosis.
Mireia Mora PortaEndocrinologistNutrition and Endocrinology Department
Published: 2 June 2021
Updated: 2 June 2021
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