Is a grade two thyroid cyst serious?

Written by Yang Li
Endocrinology
Updated on September 03, 2024
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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 Zhang Jun Jun
Endocrinology
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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 Zhao Xin Lan
Endocrinology
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What should I do if my thyroid cyst is painful?

Thyroid cysts generally do not have any clinical symptoms, but if untreated and continuously growing, there is a risk of hemorrhage within the cyst. Therefore, when a thyroid cyst becomes painful, it may be due to excessive internal pressure and bleeding inside the cyst, causing pain. At this point, it is necessary to go to the hospital emergency department for a comprehensive thyroid ultrasound to observe the size of the cyst, and to provide emergency surgical treatment or local puncture to aspirate the blood and relieve pain.

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Written by Zhao Xin Lan
Endocrinology
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Can thyroid cysts be treated with minimally invasive surgery?

When the cyst is smaller than 5cm, minimally invasive treatment can be used. Thyroid cysts are generally benign lesions and rarely become malignant. A thyroid cyst refers to a fluid-containing cystic structure in the thyroid, commonly known as a blister. This blister can be large or small, and is usually asymptomatic when small. For its treatment, when the cyst is smaller than 5cm, a minimally invasive procedure involving fine needle aspiration can be performed to withdraw fluid from the cyst, followed by the injection of anhydrous alcohol to close off the cyst cavity and prevent recurrence. However, if the cyst is larger than 5cm, surgical treatment is recommended for complete removal.

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Written by Zhang Li
Endocrinology
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Does thyroid cyst affect pregnancy?

Thyroid cysts generally do not affect pregnancy because they are merely morphological changes, meaning enlarged cystic nodules found in the thyroid. These nodules are typically fluid-filled and often non-functional, so they do not significantly impact pregnancy. However, since the thyroid can develop such cystic nodules or cysts, there might also be some functional manifestations. In other words, there could be both cysts and other thyroid function issues concurrently, which might affect pregnancy. Therefore, when thyroid issues are detected, it is necessary to undergo thyroid function tests before planning a pregnancy to determine whether it is safe to conceive and if there will be any impact on pregnancy.

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Written by Zhao Xin Lan
Endocrinology
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Can people with thyroid cysts eat sea fish?

The exact cause of thyroid cysts is not very clear, but some scholars believe it is related to iodine metabolism. Therefore, in areas where iodine is particularly lacking or particularly abundant, the incidence of thyroid cysts tends to increase. Hence, the diet should avoid both too low and too high iodine intake. As for eating sea fish, occasional consumption should be acceptable. However, eating sea fish daily may lead to excessive iodine intake, potentially causing further development of the cysts.