Thyroid 3a refers to thyroid nodule TI-RADS category 3a It is a kind of classification under ultrasound, it is a kind of classification under ultrasound, and patients with thyroid nodule 3a who do not have contraindications to enhanced CT can have enhanced CT examination.
Enhanced CT is to choose a thicker vein in the arm then inject iodine-containing contrast agent, and then track the injected contrast agent through the method of CT scanning, which can clearly enhance the relationship between the lesion tissue and the surrounding tissues, and is conducive to the judgment of the nature and scope of the lesion.
Contraindications to enhanced CT include allergy to iodine, patients suffering from hyperthyroidism as well as diseases such as severe liver and kidney damage, and myasthenia gravis. Therefore, patients with thyroid nodule 3a who do not have contraindications to enhanced CT can undergo enhanced CT.
In addition, thyroid nodule TI-RADS category 3a is a potentially benign nodule with a low risk of malignancy, usually less than 2%, which usually requires regular follow-up and, if necessary, a puncture biopsy of the thyroid nodule, and the next step of treatment based on the results of the biopsy. Surgery is recommended for malignant thyroid nodules, including total or partial thyroidectomy.
If you are not sure whether patients with thyroid nodule 3a are able to undergo enhanced CT, you can consult a medical professional.