In patients with diffuse goiter and hyperthyroidism, neck enlargement usually occurs. However, the neck swelling caused by hyperthyroidism usually does not exceed two degrees. There are many diseases that cause neck swelling, such as hypothyroidism, thyroid nodules, thyroid cancerous lesions, which may cause swelling. Secondly, there are abundant lymph nodes in the neck, including maxillary lymph nodes, submandibular lymph nodes, anterior cervical lymph nodes, and posterior cervical lymph nodes. When lymph tissue is swollen or inflamed, the neck will become swollen and thicker. Therefore, in addition to hyperthyroidism and thyroid diseases, some diseases of lymph nodes may also cause neck swelling. Thirdly, if the patient's weight is not well controlled, he will become obese in the short term, and his neck will become bulky, because the neck itself is also a place where fat is easy to accumulate. The neck continues to swell, we should pay attention to the above three reasons.
