Thyroid nodules are fairly common. You may have a thyroid nodule and may not even feel it. Most are benign, which means they are not cancerous. But even non-cancerous nodules can be a problem, for example, if they grow large enough to press the trachea. A nodule may also produce too much hormone, which causes hyperthyroidism.
You may be more likely to develop nodules if you have or have had thyroiditis. People who like treatment children received head or neck X-rays for angina or other conditions (generally from 1920 to 1960) are most at risk include people who have been exposed to radiation for other reasons.
If you suspect a lump, it is important to have it checked. Tests may include blood tests that measure thyroid hormones. tests such as ultrasound scanning or a special scanner thyroid can be used. You can also have a biopsy, in which a needle is inserted into the nodule to collect a sample of cells.
The tests are important because the swelling of the thyroid may be a sign of thyroid cancer. Again, while most are benign nodules, thyroid cancer the most common cancer of the endocrine system, it is imperative you see your doctor if you notice any swelling or suspicious signs. If the nodule is not cancerous, but still growing and / or causing problems, treatment options include surgery to remove the nodule, radioactive iodine can cause the nodule to shrink, or thyroid treatment by inhibitory hormones.
Although most are benign thyroid nodules, thyroid cancer the most common cancer of the endocrine system, leading to about 1 percent of all cancers. The good news is the success rate of treatment for thyroid cancer is very high.