How to treat thyroid cysts?

Written by Chen Xie

Endocrinology

Updated on September 07, 2024

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Treatment of thyroid cysts generally does not require special treatment, just regular monitoring of thyroid ultrasound and thyroid function. Thyroid function must be monitored for thyroid cysts. When thyroid function is reduced, hormone replacement therapy is needed. When thyroid function is hyperactive, anti-thyroid treatment is needed. If the patient's thyroid function is normal, only regular monitoring of thyroid ultrasound and thyroid function is required to understand changes in the size of the cyst. However, if the cyst is large enough to cause symptoms such as breathing difficulties or carotid ischemia, surgical treatment is recommended in a timely manner. Currently, radiofrequency treatment is also a new treatment method, which can be considered as an alternative option, but it is not recommended.

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Written by Zhao Xin Lan

Endocrinology

47sec

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Do thyroid cysts require a special diet?

Thyroid cysts refer to fluid-containing sacs that appear in the thyroid gland. Generally, these cysts do not become malignant, and they do not present any clinical symptoms, nor do they cause hyperthyroidism. If the cyst is particularly large and compresses the local thyroid tissue, it generally does not lead to hypothyroidism. Therefore, there is generally no need for a special diet for thyroid cysts. However, some scholars believe that the formation of thyroid cysts is related to iodine deficiency, or they can also occur in areas with high iodine content. Hence, it is advisable to avoid consuming foods with particularly high iodine content.

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Written by Chen Xie

Endocrinology

52sec

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Foods to avoid with thyroid cysts

For patients with thyroid cysts, it is necessary to first understand the patient's thyroid function, whether it is normal, overactive, or underactive. For patients with thyroid cysts who also have hyperthyroidism, a diet avoiding iodine is still necessary, as excessive iodine intake can significantly affect their hyperthyroid condition, therefore they need to consume iodine-free food. However, for patients with normal thyroid function or those with hypothyroidism, a normal diet is appropriate, and there is no need to avoid iodine. It is also recommended that they avoid smoking and alcohol in their daily life.

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Written by Zhang Li

Endocrinology

49sec

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What are the symptoms of thyroid cysts?

Thyroid cysts generally refer to a cystic mass found in the thyroid, typically containing a mixture of fluid or semi-solid fluid. The mass usually has clear boundaries and is painless. It can move up and down with swallowing, which distinguishes it from some subcutaneous nodules. Thyroid cysts generally do not show obvious symptoms or clinical signs and are mostly discovered when looking in the mirror or during a physical examination. However, larger thyroid cysts may cause compression symptoms, such as pressing backward against the trachea or esophagus, leading to symptoms like breathlessness and discomfort swallowing. A small portion may also exhibit signs of thyroid dysfunction, such as hyperthyroidism or hypothyroidism, although this is relatively rare in clinical settings.

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Written by Zhang Li

Endocrinology

1min 1sec

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What causes thyroid cysts?

Thyroid cysts currently have no definitive cause identified. Previously, most believed they were possibly related to iodine deficiency, as such deficiency leads to thyroid hyperplasia and an increase in thyroid cysts. However, it was later discovered that in some high-iodine coastal areas, the incidence of thyroid cysts remains high. This suggests that variations in iodine levels, such as switches from low to high iodine or from high to low iodine, can also lead to the occurrence of thyroid cysts. Additionally, it is currently believed that there might be some connection with radiation and the use of mobile phones and computers, but there is no definitive conclusion. Regardless, once thyroid cysts occur, it is important on one hand to eliminate the possibility of malignant features, ruling out thyroid cancer, and on the other hand to ensure thorough thyroid function tests to understand if there are any abnormalities in function and whether treatment is needed.

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Written by Luo Juan

Endocrinology

54sec

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Which department should I go to for a thyroid cyst?

Firstly, we recommend that patients with thyroid cysts should consult the endocrinology department first to assess thyroid function, to determine if there is hypothyroidism, hyperthyroidism, or normal thyroid function. Then, perform a thyroid ultrasound to evaluate the size of the cyst and its relationship with surrounding tissues, etc. Therefore, patients with thyroid cysts should first visit the endocrinology department. If surgical intervention or other further treatments are necessary, then a visit to the breast and thyroid department is needed. However, it is first essential to assess the function and local conditions of the cyst in the endocrinology department before deciding on the next step of treatment.