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 Chen Xie

Endocrinology

1min 14sec

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How should thyroid cysts be treated?

Thyroid cysts refer to fluid-containing sac-like formations found in the thyroid gland. For their treatment, thyroid cysts are a type of benign tumor of the thyroid. In imaging studies, if the nodule's diameter is less than one centimeter, it usually presents no clinical symptoms or signs. Regular follow-ups with thyroid ultrasonography and thyroid function tests are advised. If there is no trend of enlargement, continued observation without surgical intervention can be appropriate. However, if the nodule's diameter is greater than one centimeter, or if it is located on the surface of the thyroid, the local skin may show a protrusion or bulge, and the cyst may continue to grow, pressing on the trachea or even the esophagus, causing symptoms such as chest tightness, difficulty breathing, a feeling of swallowing, and obstruction. It is important to seek medical attention in a timely manner, undergo a fine needle aspiration biopsy if necessary, and surgical treatment may be required if needed.

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Written by Yang Li

Endocrinology

46sec

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Is a grade two thyroid cyst serious?

Thyroid cysts at Grade 2A are generally not very serious. If we consider supporting points for severity in the thyroid, finding one example is considered as first-level evidence, while finding one plus another one counts as second-level evidence. Generally speaking, once it reaches Grade 4A and above, attention needs to be paid as it suggests a malignancy, indicating a higher possibility of malignancy. If it’s below 4A, at Grade 3 and below, it typically suggests a greater likelihood of benign lesions. In such cases, it is recommended to follow up dynamically and definitely conduct an ultrasonic contrast examination.

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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 Jun Jun

Endocrinology

58sec

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Do thyroid cysts require surgery?

Thyroid cysts are generally benign lesions and are typically classified as below 3B level in thyroid ultrasound grading, which means they are categorized as class 1, 2, or even 3. The decision to perform surgery depends primarily on the size of the thyroid cyst. If the cyst is large enough to cause compressive symptoms, then surgical treatment is necessary at that time. Secondly, if the development of the thyroid cyst is rapid, and fine needle aspiration of the thyroid reveals malignant changes, then surgery is also required. For routine thyroid examinations, if the thyroid cyst is relatively small, classified at a lower level, and there are no associated thyroid functional abnormalities, regular follow-up is generally sufficient without the need for surgical intervention.

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Written by Chen Xie

Endocrinology

1min 4sec

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Will thyroid cysts become malignant?

The formation mechanism of thyroid cysts may be due to the expansive growth of nodules, which compresses the venous vessels causing circulatory disturbances. This leads to tissue ischemia and atrophic degeneration, resulting in congestion and edema. Fluid accumulates to form cysts. Cysts formed through regressive changes in nodules can involve the entire nodule turning cystic or only partial cystic changes, thus forming masses that are partly solid and partly cystic. In thyroid cancer, cysts can also form due to necrosis, hemorrhage, and liquefaction. Therefore, thyroid cysts can also be cancerous. For this reason, regular observation and follow-up of thyroid cysts are necessary. If there is any indication of malignant transformation in a thyroid cyst, timely treatment is required.