How is Hashimoto's thyroiditis diagnosed?

Written by Li Hui Zhi
Endocrinology
Updated on May 28, 2025
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Firstly, it is important to check thyroid function for Hashimoto's thyroiditis, which involves a specific antibody, the anti-thyroid peroxidase antibody (TPOAb). If this antibody is significantly elevated, it supports the diagnosis of Hashimoto's thyroiditis. Additionally, a thyroid ultrasound should be combined, and if there is severe enlargement, a thyroid fine-needle aspiration can be conducted to assist in treatment. After a confirmed diagnosis of Hashimoto's thyroiditis, it is also necessary to assess thyroid function to determine if there is concurrent hyperthyroidism or hypothyroidism. Treatment should then be administered based on the specific condition of the patient.

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Written by Li Hui Zhi
Endocrinology
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Can you get pregnant with Hashimoto's thyroiditis?

Hashimoto's thyroiditis can lead to pregnancy, but the prerequisite is that you must visit an endocrinology specialist before pregnancy to check your thyroid function, ensuring that the TSH (thyroid-stimulating hormone) is controlled below 2.5. This situation is suitable for pregnancy because if TSH is greater than 2.5, it is likely to have a certain impact on the fetus's intelligence. Therefore, if you have Hashimoto's thyroiditis and are planning to conceive, you first need to check the thyroid function. If this indicator is normal, then you can consider pregnancy.

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Written by Tang Zhuo
Endocrinology
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How is Hashimoto's thyroiditis caused?

Hashimoto's thyroiditis is a chronic autoimmune disease and is the most common type of thyroiditis clinically. Its etiology is primarily immunological, as Hashimoto's thyroiditis is an autoimmune disorder. Therefore, patients can detect a high concentration of anti-thyroid antibodies through blood tests, such as anti-thyroglobulin antibodies and anti-microsomal antibodies. Additionally, genetic factors are involved, with about 50% of patients with Hashimoto's thyroiditis having a family history. Environmental factors, including radiation, infections, excessive dietary iodine, and selenium deficiency, can also lead to Hashimoto's thyroiditis. In recent years, the incidence of Hashimoto's thyroiditis has notably increased.

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Written by Tang Zhuo
Endocrinology
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Is Hashimoto's thyroiditis severe?

Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis, is a common type of autoimmune thyroid disease. Hashimoto's thyroiditis is the most common cause of hypothyroidism. If hypothyroidism caused by Hashimoto's thyroiditis is identified, long-term administration of levothyroxine can achieve good control. It is worth noting that the clinical manifestations of Hashimoto's thyroiditis are often atypical, or may coexist with other thyroid diseases, or other autoimmune diseases. Special attention needs to be paid to certain types of Hashimoto's thyroiditis. One such type is Hashitoxicosis, Hashimoto's pseudohyperthyroidism, or Hashimoto's thyroiditis accompanied by thyroid tumors, Hashimoto's encephalopathy, or Hashimoto's with proptosis. These special types require particular attention.

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Written by Chen Xie
Endocrinology
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Can Hashimoto's thyroiditis be cured?

Hashimoto's thyroiditis is an autoimmune thyroiditis in which the body itself has autoimmune antibodies, leading to the destruction of thyroid follicular cells and the release of a large amount of thyroid hormones, possibly resulting in hyperthyroidism. Some patients may experience hyperthyroidism for years or even decades, which requires anti-hyperthyroidism treatment. However, as the disease progresses, further destruction of thyroid function may occur, resulting in hypothyroidism. For patients with Hashimoto's thyroiditis, once hypothyroidism occurs, it is usually progressive. Therefore, once hypothyroidism occurs in patients with Hashimoto's thyroiditis, lifelong replacement therapy with levothyroxine is necessary, as Hashimoto's thyroiditis cannot be completely cured, but clinical remission can be achieved through replacement therapy.

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Written by Chen Xie
Endocrinology
1min 13sec home-news-image

What kind of salt should be consumed for Hashimoto's thyroiditis?

Hashimoto's thyroiditis is a type of autoimmune thyroiditis that can manifest as hyperthyroidism, hypothyroidism, or normal thyroid function during its progression. Therefore, there are different requirements for the type of salt to consume depending on the state of thyroid function. When Hashimoto's thyroiditis presents with hyperthyroidism, it is recommended to consume non-iodized salt. When thyroid function is normal in Hashimoto's thyroiditis, iodized salt can be consumed. When Hashimoto's thyroiditis is accompanied by hypothyroidism, there is no specific requirement for consuming iodized or non-iodized salt. Because at this stage, the thyroid has largely lost its ability to synthesize thyroid hormones, and treatment involves replacing them with levothyroxine to maintain thyroid function. Therefore, the intake of iodine does not matter, and one can freely choose to consume iodized or non-iodized salt. Thus, the choice of salt in Hashimoto's thyroiditis should be based on thyroid function testing.