Do thyroid cysts require medication?

Written by Chen Xie
Endocrinology
Updated on September 19, 2024
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Patients with thyroid cysts who have normal thyroid function do not need oral medication treatment; they only need regular monitoring of thyroid function and thyroid ultrasound. However, patients with thyroid cysts accompanied by hyperthyroidism need to be treated for hyperthyroidism, either with oral medication, iodine-131, or surgery. When thyroid cysts are accompanied by hypothyroidism, oral hormone replacement treatment is also required to bring the thyroid function back to normal levels. Therefore, whether patients with thyroid cysts need medication depends on the results of their thyroid function tests.

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Written by Luo Juan
Endocrinology
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Are thyroid cysts contagious?

Thyroid cysts are not contagious. They are fluid-filled sacs within the thyroid gland, usually presenting as a single nodule, although in some cases multiple nodules can occur. Typically, thyroid cysts are asymptomatic unless the cyst becomes large or bleeds internally. In such cases, symptoms such as pain, difficulty swallowing, breathing difficulties, and a hoarse voice may occur. Thyroid cysts are considered a local endemic disease primarily caused by iodine deficiency, leading to thyroid hyperplasia and enlargement. Thyroid cysts represent a degenerative change. Therefore, thyroid cysts are not contagious.

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Written by Zhao Xin Lan
Endocrinology
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Which is more serious, thyroid cysts or nodules?

Thyroid cysts are generally benign lesions without significant clinical symptoms. When the cysts are larger, they may cause local compressive symptoms but generally do not develop into cancer. Thyroid nodules can be benign or malignant; primarily, an assessment of the nodule is conducted to determine its nature. If the nodule is nonfunctional and benign, the condition is usually minor. If the nodule is functional, such as a hyperfunctioning adenoma, it can have a more significant impact on the body. If ultrasound evaluation of the nodule leans towards malignancy, the severity of the nodule is considered greater, and surgical treatment is needed.

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Written by Zhang Li
Endocrinology
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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 Chen Xie
Endocrinology
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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 Zhao Xin Lan
Endocrinology
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Where to massage for a thyroid cyst?

Thyroid cysts refer to fluid-filled sacs that appear in the thyroid gland. The current mechanisms of their development are not very clear and may be related to iodine metabolism, sex hormones, regional factors, dietary habits, and family history. Therefore, massaging will not provide any relief for thyroid cysts. Moreover, when the cysts are relatively large, massaging the affected area may induce the risk of bleeding from the thyroid cysts. Hence, if you have thyroid cysts, do not blindly resort to massage, as it not only lacks benefits but could also potentially lead to the rupture or enlargement of the cysts.