Thyroid follicular cyst category 2 usually does not require medication and regular review is sufficient. Thyroid follicular cysts are fluid-containing sacs found in the thyroid gland and are a type of thyroid nodule. Thyroid follicular cysts category 2 are usually benign and do not require special treatment, but regular checkups as prescribed by the doctor are sufficient, usually once a year, to monitor whether the cysts are growing or have the potential for malignant changes. Most cysts have a low rate of malignancy, but if you have any symptoms, you should seek medical attention. It is recommended that patients maintain a healthy lifestyle and undergo regular checkups, and if the cysts grow or become malignant, they should be treated under the guidance of a doctor.