Thyroid nodule category 4a is a category of suspected malignant nodules.
Thyroid nodule category 4a is a classification under ultrasound. Thyroid nodules are a class of confined masses that appear in normal thyroid tissue. In terms of the TI-RADS grading of thyroid nodules, thyroid nodule category 4a is a low-grade suspected malignant nodule with a malignancy rate of 2% to 10%.
Pathological examination of thyroid tissue should be considered if necessary. If the nodule is malignant, surgery is required to remove the diseased tissue or even the entire thyroid gland; if it is benign and asymptomatic, regular review and follow-up are required under the guidance of a specialist.
If you find thyroid nodules in category 4a, you need to go to the hospital for consultation and treatment under the guidance of a specialist.